roof CHEVROLET DYNASTY 1993 User Guide

IGNITION SWITCH
IGNITION SWITCH AND KEY CYLINDER SERVICE
The ignition switch is located on the steering col-
umn. The Key In Switch is located in the ignition
switch module. For diagnosis of the Key In Switch,
refer to Section 8M.
REMOVAL
If the vehicle has a floor mounted gear shifter,
place the selector in the Park position. (1) Disconnect negative cable from battery.
(2) If the vehicle has a tilt column, remove the tilt
lever by turning it counterclockwise. (3) Remove upper and lower covers from steering
column.
(4) Remove ignition switch mounting screws. Use
tamper proof torx bit Snap-on TTXR15A2, TTXR20A2
or equivalent to remove the screws (Fig. 1). (5) Gently pull switch away from the column. Release
connector locks on the 7 terminal wiring connector,
then remove the connector from the ignition switch.
(6) Release connector lock on the 4 terminal con-
nector, then remove the connector from the ignition
switch. (7) To remove the key cylinder from the ignition
switch: (a) Insert key in the ignition switch. Turn the
key to the LOCK position. Using a small screw-
driver, depress the key cylinder retaining pin until
it is flush with the key cylinder surface (Fig. 2). (b) Rotate the key clockwise to the OFF position.
The key cylinder will unseat from the ignition
switch (Fig. 3). When the key cylinder is unseated,
it will be approximately 1/8 inch away from the ig-
nition switch halo light ring. Do not attempt to
remove the key cylinder at this time. (c) With the key cylinder in the unseated posi-
tion, rotate the key counterclockwise to the lock po-
sition and remove the key. (d) Remove key cylinder from ignition switch
(Fig. 4).
INSTALLATION
If the vehicle has a floor mounted gear shifter,
place the selector in the Park position.
IGNITION SWITCH DESIGNATIONS
Fig. 1 Ignition Switch Screw Removal
Fig. 2 Key Cylinder Retaining Pin
Ä IGNITION SYSTEMS 8D - 45

(4) Remove panel top cover by pushing forward
and prying up, using a straight edge to assist in the
removal. (5) Disconnect bulkhead connector at brace under
instrument panel at left side. (6) Remove glovebox/ash receiver module and right
instrument panel silencer. (7) Remove center panel support brace and air bag
diagnostic module assembly. (8) Disconnect wiring to airbag module.
(9) Remove upper and lower cluster bezels.
(10) Remove steering column cover.
(11) Remove steering column mounting nuts and
lower steering column. (12) Unhook shift indicator cable eyelet from steer-
ing column actuator. (13) Unlatch lock tab in shift indicator column in-
sert and squeeze legs together to remove from steer-
ing column. (14) Remove cluster assembly while guiding trans-
mission range indicator guide tube through access
hole in the base panel. (15) Remove instrument panel steering column
opening support/hood release handle assembly. (16) Remove two steering column upper studs and
loosen side cowl tie-down bolts. (17) Remove steering column tilt lever.
(18) Remove upper and lower lock housing shroud.
(19) Remove lower fixed shroud.
(20) Remove upper fixed shroud (snaps in place).
(21) Disconnect airbag pigtail, ignition switch and
halo light/key buzzer switch wiring. (22) Disconnect Multi-function switch by loosening
connector jack screw and pulling connector from
switch. (23) Disconnect airbag pigtail from wiring trough
housing by pulling two push fasteners. (24) Remove wiring trough from steering column.
(25) Remove defroster ducts.
(26) Remove five screws along fence line and roll
panel down, attach a hook to hold in position. (27) Open hood and remove plenum grill.
(28) Disconnect washer bottle, resistor block and
under hood lamp wiring. Washer bottle must be re-
moved to gain access. (29) Remove grommet and pull plenum wiring into
vehicle through plenum panel. (30) Disconnect right demister hose from instru-
ment panel. (31) Disconnect antenna cable.
(32) Disconnect right and left 25 way body wiring
connectors. (33) Disconnect A/C heater control cables, wiring
connectors and vacuum harness. (34) Remove right side panel ground wire.
(35) Disconnect body controller wiring.
(36) Remove instrument panel assembly from vehi-
cle. (37) For installation reverse above procedures.
INTERIOR LAMP REPLACEMENT
The reading, overhead console and door lamps op-
erate when the doors are open or headlamp switch is
placed in courtesy position. Front overhead lamps re-
fer to Group 8C, Overhead Console.
TRUNK LAMP
The lamp has easily accessible without removing
components.
DOOR LAMP
Pry along the forward edge of the lens and pivot
lens out of the door trim panel. Remove lamp. To re-
move lamp housing, remove door trim panel. Refer to
Group 23, Body. Disconnect all wiring. Remove
screws, if so equipped securing lamp housing to trim
panel, and replace housing.
CÐPILLAR READING/COURTESY LAMP
Pry along the rearward edge of the lamp and pivot
lamp out from quarter trim panel. Disconnect wiring
and remove lamp cover. Replace lamp. The lamp operates when the doors are open or the
headlamp switch is turned to the courtesy mode. The
lamp will function as a reading lamp when the doors
are closed and the button switch on the lamp is de-
pressed.
ROOF RAIL READING
Pry along the bottom edge of the lens and pivot
lens out. Replace lamp. To remove the lamp, remove
the screw which retains the coat hook. Remove the
garnish molding. Disconnect the wiring harness. Re-
move the two clips which retain the lamp to the
molding. Replace lamp. The lamp operates like the
C-pillar reading/courtesy lamp.
Ä INSTRUMENT PANEL AND GAUGES 8E - 41

(3) Remove both upper and lower steering column
shrouds. (4) Remove multi-function switch tamper proof
mounting screws (Fig.7). (5) Gently pull switch away from column. Loosen
connector screw. The screw will remain in the con-
nector. (6) Remove wiring connector from multi-function
switch.
INSTALLATION
(1) Install wiring connector to switch and tighten
connector retaining screw to 2 N Im (17 in. lbs.)
torque. (2) Mount multi-function switch to column and
tighten retaining screws to 2 N Im (17 in. lbs.) torque. (3) Install steering column covers. Tighten retain-
ing screws to 2 N I(17 in. lbs.) torque.
(4) Tilt column only install tilt lever.
(5) Install negative battery cable.
(6) Check all functions of switch for proper opera-
tion.
Fig. 2 Turn Signal and Hazard Switch Continuity
Fig. 3 Beam Select Switch Continuity
Fig. 4 Dual-Function Switch Connector
Fig. 5 Hazard Warning Switch ContinuityÐAJ Body
8J - 4 TURN SIGNALS AND HAZARD WARNING FLASHER Ä

DUAL-FUNCTION SWITCHÐAG AND AJ BODIES
REMOVAL
(1) Disconnect negative battery cable.
(2) Tilt column only remove tilt lever.
(3) Remove three attaching screws, in the upper
and lower steering column covers and remove covers. (4) Remove two tamper proof mounting screws. (5) Gently pull switch away from column. Release
connector lock on the wiring connector, then remove
the connector from the switch (Fig. 8).
INSTALLATION
(1) Install wiring connector to switch. Make sure
that switch locking tab is fully seated in the wiring
connector. (2) Mount switch to column and tighten screws to
2N I(17 in. lbs.) torque.
(3) Install steering column covers and tighten
screws to 2 N I(17 in. lbs.) torque.
(4) Tilt column only install tilt lever.
(5) Re-install negative battery cable.
(6) Check all functions of switch for proper opera-
tion of the hazard warning and turn signal cancella-
tion.
REMOTE TURN SIGNAL SWITCH REMOVALÐAG
AND AJ BODIES
(1) Disconnect battery ground cable..
(2) Remove turn signal lever by pulling it straight
out of the switch (Fig. 9). (3) Remove two screws from the bottom of the
switch pod that hold turn signal switch. (4) Disconnect turn signal pigtail wire from head-
lamp switch at the 8-way connector.
Fig. 6 Remote Turn Signal Switch ContinuityÐAG and AJ Bodies
Fig. 7 Multi-Function SwitchÐAA, AC, AP and AY Bodies
Fig. 8 Dual-Function SwitchÐAG and AJ Bodies
Ä TURN SIGNALS AND HAZARD WARNING FLASHER 8J - 5

AG BODY
Caption Fig.
Anti Lock Brake System Wiring .....................6
Body Left Side Wiring ...........................5
Body Right Side Wiring ..........................4
Console Wiring ...............................9
Door Wiring .................................8
Door Wiring (Body Side) .........................7
Engine Compartment Wiring ......................14
Engine Wiring 2.5L EFI .........................17
Engine Wiring 3.0L ............................20
Engine Wiring Turbo III ..................... .18, 19
Front End Wiring .............................22Caption Fig.
Ground Strap Location .........................21
Instrument Panel Wiring (Connections) ...............11
Instrument Panel Wiring (Routing) ..................10
Liftgate Wiring ...............................2
Rear End Wiring ..............................1
Roof Wiring .................................3
Steering Column Wiring .........................12
Transmission Wiring ...........................15
Transmission Wiring 41TE .......................16
Underhood Lamp Wiring ........................13
Ä WIRING AND COMPONENT IDENTIFICATION 8W - 61

Fig. 2 Liftgate Wiring AG Body
Fig. 3 Roof Wiring AG Body
Ä WIRING AND COMPONENT IDENTIFICATION 8W - 63

AP BODY D, P
Caption Fig.
Anti-Lock Brake System Wiring ....................11
Body Left Side Wiring ...........................3
Body Right Side Wiring ..........................4
Cowl Panel and Console Wiring ....................6
Door Wiring (Front) 2dr .........................7
Door Wiring (Front) 4dr .........................8
Door Wiring (Rear) 4dr ..........................9
Engine Compartment Wiring EFI ...................16
Engine Compartment Wiring 3.0L ...................17
Engine Wiring EFI ............................18
Engine Wiring 3.0L ............................19
Front End Wiring .............................23Caption Fig.
Ground Strap Locations .........................22
Instrument Panel to Body Wiring ...................15
Instrument Panel Wiring (Connections) ...............14
Instrument Panel Wiring (Routing) ..................13
Liftgate Wiring ...............................2
Rear End Wiring ..............................1
Roof Wiring .................................5
Steering Column Wiring .........................10
Transmission Wiring ...........................20
Transmission Wiring 41TE .......................21
Underhood Lamp Wiring ........................12
8W - 94 WIRING AND COMPONENT IDENTIFICATION Ä

Fig. 5 Roof Wiring AP-Body
Fig. 6 Cowl Panel and Console Wiring AP-Body
Ä WIRING AND COMPONENT IDENTIFICATION 8W - 97

Wiring Diagram
Name Sheet Number
Blower Slide Control .........................51
Illumination Lamp ...........................51
Resistor .................................51
Horn System ............................ .63, 64
Clockspring ...............................63
Horn (Hi-note) .............................63
Horn (Lo-note) .............................63
Horn Relay ...............................63
Horn Switch ..............................63
Idle Air Control Motor .................... .14, 21, 26
Ignition Switch .............................4,11
Injectors ............................ .15, 20, 24
Illuminated Entry System ........................91
Left Front Door Courtesy Lamp ..................91
Left Front Door Illuminated Entry Switch ............91
Right Front Door Courtesy Lamp .................91
Right Front Door Illuminated Entry Switch ...........91
Instrument Panel to Multi-Function Switch Wiring .......180
Instrument Panel Ground System ...................86
Interface Grommet ............................58
Intermittent Wiper System .................... .61, 62
Intermittent Wiper Motor ......................62
Intermittent Wiper Switch ......................61
Washer Pump Motor .........................61
Windshield Washer Low Fluid Level Sensor ...........61
Key Cylinders .......................... .131, 135
Key-In Switch .......................... .104, 107
Keyless Entry Connectors ...................... .208
Lamp Outage Module ...................... .96, 209
Lamps Ash Receiver Lamp ........................ .111
Back-Up Lamps ................ .161, 162, 163, 164
Center High Mounted Stop Lamp ......161, 162, 163, 164
Cornering Lamp Left ...............74, 77, 80, 82, 84
Cornering Lamp Right ..............73, 75, 78, 81, 83
Courtesy Lamps ................... .87, 88, 89, 90
Deck Lid Ajar Warning Lamp ....................95
Door Ajar Lamps ...........................95
Door Courtesy Lamp ................ .87, 88, 90, 91
Glove Box Lamp .......................... .111
Halo Lamp .......................... .104, 106
Headlamp-Left ............... .70, 72, 74, 80, 82, 84
Headlamp-Right ............ .69, 71, 73, 75, 78, 81, 83
Headlamp Switch Lamp .......................85
Illuminated Entry Lamps .......................91
Illumination Lamp ..................... .51, 53, 55
License Lamp .................. .161, 162, 163, 164
Low Engine Oil Pressure Lamp .............30, 31, 32
Low Windshield Washer Fluid Warning Lamp .........95
Parking/Turn Lamp-Left ........70, 72, 74, 77, 80, 82, 84
Parking/Turn Lamp-Right .......69, 71, 73, 75, 78, 81, 83
Park Lamp-Left ............................74
Park Lamp-Right ...........................73
Reading Lamps ............................90
Security Lamp ..................... .128, 132, 136
Side Marker Lamp-Left Front ............70, 72, 82, 84
Side Marker Lamp-Right Front ...........69, 71, 81, 83Wiring Diagram
Name Sheet Number
Side Marker Lamp-Left Rear ................161, 163
Side Marker Lamp-Right Rear ...............162, 164
Tail, Stop/Turn Signal Lamp-Left Rear ..........161, 163
Tail, Stop/Turn Signal Lamp-Right Rear .........162, 164
Transmission Range Lamp .....................85
Trunk Lamp ...............................90
Turn Signal Lamp-Left Front ...............74, 77, 80
Turn Signal Lamp-Right Front ..............73, 75, 78
Underhood Lamp ......................... .159
Vanity Mirror ..............................89
Visor Lamp ...............................89
Left Body to Instrument Panel Wiring ............190, 191
Left Front Door Jamb Switch .....................87
Left Rear Door Jamb Switch ......................87
MAP Sensor .......................... .18, 21, 26
Mechanical Cluster Printed Circuit Board .............167
Mechanical Cluster Printed Circuit Board Connectors ......166
Memory Power Seat & Mirror Connector .............204
Memory Power Seat System ...........151, 152, 153, 154
Circuit Breaker ........................... .153
Left Power Seat Motors ..................... .153
Left Power Seat Switch ...................... .152
Left Power Seat Switch Insulator ................152
Left Recliner Motor ........................ .154
Memory Module ................ .151, 152, 153, 154
Recliner Position Sense Resistor .................154
Recliner Seat Switch ....................... .152
Relay Bank ............................. .153
Seat Memory Selector Switch ...................151
Seat Track Position Sense Resistor ...............154
Memory Power Seat System Connectors .............205
Message Center Connector ..................... .207
Mirror-Heated ....................... .143, 144, 146
Mirror-Power .................... .143, 144, 145, 146
Modules Airbag System Diagnostic Module .................57
Air Suspension Control Module ................41, 43
ATC Power Module ........................ .115
Daytime Running Lamp Module ...........72, 76, 79, 84
Lamp Outage Module .................... .96, 209
Mirror Memory Module .................. .143, 144
Power Seat Memory Module .........151, 152, 153, 154
Powertrain Control Module ........14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 37
Relay Module ............................ .171
Remote Keyless Entry Module ...............141, 142
Security Alarm Module ......127, 128, 129, 130, 131, 132,
133, 134, 135, 136, 137, 138
Sunroof Control .......................... .147
Transmission Control Module ...............33, 34, 35
Motors ABS Pump Motor ...........................46
Antenna Motor ........................... .118
Blower-A/C ............................ .53, 55
Blower ATC ............................. .115
Blower-Heater .............................51
Compressor Motor ....................... .40, 42
Ä WIRING DIAGRAMS AC-AY BODY 8W - 317

Wiring Diagram
Name Sheet Number
Engine Starter Motor ..................... .12, 13
Fuel Pump ...............................36
Headlamp Door Motor ........................68
Idle Air Control Motor .................. .14, 21, 26
In Car Sensor Motor-ATC .................... .115
Intermittent Wiper Motor ......................62
Power Door Locks ..................... .139, 140
Power Mirror ..................... .143, 144, 146
Power Seats ............... .149, 150, 153, 154, 155
Power Seat Recliner ........................ .155
Power Windows ....................... .157, 158
Radiator Fan Motor A/C .................... .54, 56
Radiator Fan Motor ATC ..................... .113
Radiator Fan Motor-Heater .....................52
Sliding Roof Motor ........................ .147
Windshield Washer Pump Motor .................61
Wiper Motor ..............................62
Optical Horn Headlamp Dimmer Switch .............1,66
Parking Brake Warning Lamp Switch ................11
Power Antenna System ....................... .118
Motor .................................. .118
Power Antenna & NBS Relay ...................118
Power Distribution Center ..........2,4,6,8,10, 169, 170
Power Heated Memory Mirrors ................143, 144
Heated Mirror s........................ .143, 144
Left Mirror Motor ......................... .143
Memory Module ....................... .143, 144
Power Mirror Position Sensing Resistor .........143, 144
Power Mirror Switch ....................... .143
Right Mirror Motor ........................ .144
Switch Function Chart ...................... .143
Power Heated Mirrors (w/o Memory) ..........145, 146
Left Mirror Motor ......................... .146
Power Mirror Switch ....................... .145
Right Mirror Motor ........................ .146
Switch Function Chart ...................... .145
Power Mirror Position Sensing Resistor ..........143, 144
Power Seat with Power Recliner-Right ...............155
Circuit Breaker ........................... .155
Power Seat Motor ......................... .155
Recliner Motor ........................... .155
Recliner Seat Switch ....................... .155
Relay Bank ............................. .155
Right Power Seat Switch ..................... .155
Right Power Seat Switch Insulator ...............155
Power Seat Switch Insulators .................149, 150
Power Seat System ...................... .149, 150
Circuit Breaker ........................... .149
Motors ............................. .149, 150
Relay Bank ............................. .149
Switches ........................... .149, 150
Switch Insulators ...................... .149, 150
Power Steering Switch ...................... .19, 25
Power Sunroof System ....................... .147
Sliding Roof Motor ........................ .147
Sliding Roof Position Switch ...................147
Sunroof Control Module ..................... .147Wiring Diagram
Name Sheet Number
Sunroof Switch ........................... .147
Powertrain Control Module .......14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 37
Powertrain Control Module Connector ............173, 174
Power Window Connector and Switch Functions ........156
Power Window System .................... .157, 158
Circuit Breaker ........................... .158
Left Front Door Window Lift Master Switch ..........157
Left Front Window Regulator Motor ...............157
Left Rear Window Regulator Motor ...............157
Left Rear Door Window Lift Switch ...............157
Relay Bank ............................. .158
Right Front Window Regulator Motor ..............158
Right Front Window Lift Switch .................158
Right Rear Window Regulator Motor ..............158
Right Rear Door Window Lift Switch ..............158
Pump and Motor Relay .........................46
Pump Motor (ABS) ............................46
Radiator Fan Motor ...........................52
Radiator Fan System w/AC & Heater System (2.5L) .......54
A/C Compressor Clutch Relay ...................54
A/C High Pressure Cutout Switch .................54
Electronic A/C Cycling Switch ...................54
Radiator Fan Motor ..........................54
Radiator Fan Control Relay .....................54
Radiator Fan System w/AC & Heater System (3.0L, 3.3L & 3.8L) ..........................56
A/C Ambient Temperature Switch .................56
A/C Compressor Clutch Relay ...................56
A/C Fan Cutout Switch ........................56
A/C High Pressure Cutout Switch .................56
Radiator Fan Motor ..........................56
Radiator Fan Control Relay .....................56
Radiator Fan System w/Heater (2.5L) ................52
Radio-Electronically Tuned .........119, 120, 121, 122, 123
Radio Speakers ......................... .120, 123
Reading Lamps ..............................90
Rear Cigar Lighters .......................... .112
Rear Lighting .......................... .161, 162
Left Back-Up Lamp ........................ .161
Left Center High Mounted Stop Lamps .............161
Left Inboard Tail, Stop & Turn Signal Lamp ..........161
Left License Lamp ......................... .161
Left Outboard Tail, Stop & Turn Signal Lamp .........161
Left Side Marker Lamp ...................... .161
Right Back-Up Lamp ....................... .162
Right Center High Mounted Stop Lamps ............162
Right Inboard Tail, Stop & Turn Signal Lamp .........162
Right License Lamp ........................ .162
Right Outboard Tail, Stop & Turn Signal Lamp ........162
Right Side Marker Lamp ..................... .162
Rear Lighting with Lamp Outage ...............163, 164
Left Back-Up Lamp ........................ .163
Left Center High Mounted Stop Lamps .............163
Left Inboard Tail, Stop & Turn Signal Lamp ..........163
Left License Lamp ......................... .163
Left Outboard Tail, Stop & Turn Signal Lamp .........163
8W - 318 WIRING DIAGRAMS AC-AY BODY Ä