1993 CHEVROLET DYNASTY fuse box

Wiring Diagram
Name Sheet Number
Exhaust Gas Recirculation Solenoid 2.5L ..............13
Exhaust Gas Recirculation Diagnostic Solenoid 3.0L. ......20
Fan Control System with A/C and Heater System ......49, 50
A/C Compressor Clutch .......................49
A/C Compressor Clutch Relay ...................50
Fan Control Relay ...........................50
Diode ...................................49
Radiator Fan Fuse ...........................50
Radiator Fan Motor ..........................49
Fan Control System with Heater ....................45
Fan Control Relay ...........................45
Radiator Fan Fuse ...........................45
Radiator Fan Motor ..........................45
Flasher-Hazard ..............................51
Flasher-Turn Signal ............................51
Fog Lamps ........................ .31, 32, 33, 34
Fog Lamp Switch ......................... .31, 33
Front End Lighting ........................ .31, 32
Fog Lamps ............................ .31, 32
Fog Lamp Switch ...........................31
Headlamps-Aero ........................ .31, 32
Park and Turn Signal Lamps ..................31, 32
Side Marker Lamp ....................... .31, 32
Front End Lighting w/DRL .................... .33, 34
Fog Lamps ............................ .33, 34
Fog Lamp Switch ...........................33
Headlamps-Aero ........................ .33, 34
Park and Turn Signal Lamps ..................33, 34
Side Marker Lamp ....................... .33, 34
Fuel Injection Ignition System Engine 2.2L & 2.5L ............... .13, 14, 15, 16, 17
Automatic Shut Down Relay ....................14
Data Link Connector .........................13
Distributor ...............................15
Distributor Ignition Coil .......................14
Engine Coolant Temperature Sensor ...............15
Exhaust Gas Recirculation Solenoid ................13
EVAP/Purge Solenoid .........................13
Fuel Pump Relay ...........................14
Heated Oxygen Sensor ........................17
Idle Air Control Motor ........................16
Injector .................................13
MAP Sensor ..............................15
Powertrain Control Module ...........13, 14, 15, 16, 17
Throttle Position (Sensor) ......................16
Vehicle Speed Sensor ........................15
Fuel Injection Ignition System 3.0L ........18, 19, 20, 21, 22
Automatic Shut Down Relay ....................22
Data Link Connector .........................22
Distributor ...............................18
Distributor Ignition Coil .......................22
Engine Coolant Temperature Sensor ...............18
Exhaust Gas Recirculation Solenoid ................20
EVAP/Purge Solenoid .........................19
Fuel Injectors ..............................19
Fuel Pump Relay ...........................22
Heated Oxygen Sensor ........................18Wiring Diagram
Name Sheet Number
Idle Air Control Motor ........................20
Injectors .................................19
MAP Sensor ..............................20
Power Steering Pressure Switch ..................19
Powertrain Control Module ...........18, 19, 20, 21, 22
Throttle Position (Sensor) ......................20
Vehicle Speed Sensor ........................18
Fuel Pump Motor .............................68
Fuel Tank Sending Unit .........................68
Fuel Tank System .............................68
Fuel Pump Motor ...........................58
Fuel Tank Sending Unit ........................68
Fuse Application Char t.........................1,2
Fuse Block Module ............................76
Fuses Fuse 1 ...............1,31,33,37,41,46,47,65,67
Fuse 2 ........................1,,36,39,61,64
Fuse 3 ..............................2,11,29
Fuse 4 ...........................2,11,35,43
Fuse 5 .............................1,3,5,51
Fuse 6 .........................2,11,35,41,67
Fuse 7 ...........................2,11,46,47
Fuse 9 ...........................1,35,42,65
Fuse 10 ..........................1,31,33,36
Fuse 12 ...............................1,43
Fuse 13 ....................2,3,5,39,44,55,65
Fuse 14 .............................2,11,54
Fuse 15 .............................2,11,51
Fuse 16 .............................2,11,65
Generator .................................4,6
Glove Box Lamp .............................39
Glove Box Lamp Switch .........................39
Hazard Flasher System ...................... .51, 52
Headlamp Switch ...........................1,36
Circuit Breaker .............................36
Optical Horn ..............................36
Headlamp Switch Connector ......................83
Headlamp Switch Controlled Interior Lamps .........37, 38
Headlamp Switch Controlled Interior Lighting .........37, 38
Ash Receiver Lamp ..........................37
Cigar Lighter ..............................37
Cigar Lighter Lamp ..........................37
Transmission Range Lamp .....................37
Heated Oxygen Sensor ...................... .17, 18
Heated Rear Window ..........................67
Heated Rear Window Switch ....................67
Timer ...................................67
Heater Blower Motor Resistor .....................46
Heater System ...............................46
Bi-Level Control Switch .......................46
Blower Motor ..............................46
Blower Slide Control .........................46
Illumination Lamp ...........................46
Resistor .................................46
Horn System ...............................42
Clockspring ...............................42
Horn (Hi-note) .............................42
8W - 718 WIRING DIAGRAMS AP BODY D-P Ä

Wiring Diagram
Name Sheet Number
Horn (Lo-note) .............................42
Horn Relay ...............................42
Horn Switch ..............................42
Idle Air Control Motor ...................... .16, 20
Ignition Coil 2.2L E.F.I. .........................14
Ignition Coil 2.5L E.F.I. .........................14
Ignition Coil 3.0L .............................22
Ignition Off-Draw Connector .....................3,5
Ignition Switch .............................2,11
Brake Warning Lamp Switch ....................11
Park Brake Switch ...........................11
Injector ...................................13
Instrument Panel Illumination Lamps ...........45, 46, 47
Instrument Panel to Left Body Wiring ................88
Instrument Panel to Engine Wiring ..................85
Intermittent Wiper System .................... .53, 54
Control Unit ...............................54
Park Switch ...............................54
Washer Low Fluid Level Sensor ..................53
Washer Pump Motor .........................53
Wiper Motor ..............................54
Wiper Switch ..............................53
Key-In, Seat Belt Warning, Headlamp On, Chime .........43
Lamps Air Conditioning and Heater Switch Lamp ............47
Ash Receiver Lamp ..........................37
Back-Up Lamps .................... .69, 70, 71, 72
Cargo Lamp ..............................40
Center High Mounted Stop Lamp ...............70, 72
Cigar Lighter Lamp ..........................37
Courtesy Lamps ............................72
Dome Lamp ..............................40
Fog Lamp ....................... .31, 32, 33, 34
Glove Box Lamp ............................39
Halo Lamp ...............................44
Headlamp-Aero .................... .31, 32, 33, 34
Heated Rear Window Switch Lamp ................67
Heater Switch Lamp .........................46
Illumination Lamps ....................... .46, 47
License Lamp .......................... .70, 72
Park Lamps-Front .................. .31, 32, 33, 34
Side Marker Lamps-Front ..............31, 32, 33, 34
Side Marker Lamps-Rear ...............69, 70, 71, 72
Stop Lamps ...............................29
Tail/Stop/Turn Signal Lamps-Rear .........69, 70, 71, 72
Transmission Range Lamp .....................37
Turn Signal Lamps-Front ...............31, 32, 33, 34
Underhood Lamp ...........................12
Left Body to Instrument Panel Wiring ................87
Left Front Wheel Sensor ........................26
Left Rear Wheel Sensor .........................26
Liftgate Latch Switch ..........................40
MAP Sensor ............................ .15, 20
Mercury Switch ..............................12
Mirrors-Power ........................... .55, 56
Modules Airbag Diagnostic Module ......................35Wiring Diagram
Name Sheet Number
Daytime Running Lamps Module .................30
Fuse Block Module ..........................76
Powertrain Control Module ...........13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 29
Relay Module ..............................77
Transmission Control Module ...............23, 24, 25
Motors Blower Motor .......................... .46, 47
Engine Starter ........................7,8,9,10
Fuel Pump Motor ...........................68
Idle Air Control Motor ..................... .16, 20
Power Door Locks-2 Door .................. .61, 62
Power Door Locks-4 Door .................. .63, 64
Power Mirror ..............................56
Power Seat ...............................60
Power Window-2 Door ........................57
Power Window-4 Door ........................58
Radiator Fan Motor ...................... .45, 49
Washer Pump Motor .........................53
Wiper ..................................54
Optical Horn ..............................1,36
Overhead Console ............................41
A/C Ambient Temperature Sensor .................41
Power Door Lock System-2 Door ................61, 62
Connector and Door Lock Switch Function .........61, 62
Left Front Door Motor ........................61
Left Front Door Switch ........................61
Right Front Door Motor .......................62
Right Front Door Switch .......................62
Power Door Lock System-4 Door ................63, 64
Left Front Door Motor ........................63
Left Front Door Switch ........................63
Left Rear Door Motor ........................63
Right Front Door Motor .......................64
Right Front Door Switch .......................64
Right Rear Door Motor .......................64
Power Mirrors ........................... .55, 56
Dual Mirror Control Switch .....................55
Left Motors ...............................56
Power Mirror Switch .........................55
Right Motors ..............................56
Switch Function ............................55
Power Seat System-Left Bucket ....................60
Powertrain Control Module ............13, 14, 15, 16, 17,
18, 19, 20, 21, 22
Powertrain Control Module Connector .............79, 80
Power Window Connector and Switch Functions .........59
Power Window System-2 Door ....................57
Console Master Switch ........................57
Left Front Motor ............................57
Right Front Motor ...........................57
Power Window System-4 Door ....................58
Console Master Switch ........................58
Left Front Motor ............................58
Left Rear Motor ............................58
Left Rear Switch ............................58
Right Front Motor ...........................58
Ä WIRING DIAGRAMS AP BODY D-P 8W - 719

HEATER-A/C UNIT ASSEMBLYÐREMOVAL AND
INSTALLATION
AP, AC, AY BODY PROCEDURE
WARNING: IF EQUIPPED WITH A/C, THE REFRIG-
ERATION SYSTEM MUST BE COMPLETELY EMPTY
BEFORE PROCEEDING WITH THIS OPERATION.
(1) Disconnect battery NEGATIVE cable.
(2) Drain radiator and disconnect heater hoses at
unit. Tape heater tubes to keep from leaking during
removal. Refer to Group 7, Cooling System. (3) Remove A/C condensate drain and disconnect
vacuum lines. (4) Inside passenger compartment, perform as fol-
lows, according to body designation. (a) AC-body, remove right upper and lower un-
der-panel silencers. (b) AP & AC-bodies, remove steering column
cover. (c) AC-body, remove left under-panel silencer.
(5) Position front seat or right front seat full rear. (a) AP-body, remove right A-pillar trim.
(b) Remove right cowl side trim.
(6) Remove glove box. (a) AC-body, remove right instrument panel re-
inforcement.
(7) AP-body only: (a) Remove right instrument panel lower mount-
ing screw. (b) Remove center bezel.
(c) Remove lower center module cover.
(d) Remove floor console.
(e) Remove instrument panel support brace (from
steering column opening to right cowl side at bot-
tom of instrument panel). (f) Remove instrument panel to support bracket
(below glove box opening). (g) Remove ash receiver.
(h) Remove radio.
(i) Remove panel top cover.
(j) Remove three right side panel to fence (below
windshield) attaching screws.
(8) AC-body, remove ash receiver.
(9) AP body, pull right lower side of instrument
panel rearward. (10) Remove center distribution and defroster
adapter ducts. (11) AP and AC-bodies, disconnect relay module.
(12) AP-body, remove instrument panel to unit
bracket. (13) AP-body, remove lower air distribution duct.
(14) Disconnect blower motor wire connector.
(15) Disconnect demister hoses from top of unit.
(16) For Non-ATC equipped vehicles, disconnect
the temperature control cable flag from the bottom of
the heater-A/C unit. Then un-clip the cable from the
left side of the heat distribution duct. Swing the ca-
ble out of the way to the left. Disconnect the vacuum
lines at the unit. (17) For ATC equipped vehicles, disconnect the in-
strument panel wiring from the rear face of the ATC
control unit. (18) AC body, disconnect right 25-way connector
bracket and fuse block from panel. (19) Fold floor right side carpet back (except AC
body). (20) From engine compartment, remove four unit
attaching nuts. (21) Remove unit hanger strap lower screw, and
rotate strap. (22) Move heater-A/C unit rearward to clear
mounting studs, and lower unit. (23) AP-body, remove demister adapter from top of
unit. (24) While pulling the lower right of instrument
panel rearward: (a) Slide unit upright from under instrument
panel for AP-body. (b) Except for AP-body, rotate unit while pulling
from under instrument panel.
To install, reverse the preceding operation.
Fig. 5 Blower Motor and Wheel Assembly
Fig. 6 Blower Wheel Retaining Ring Removal and Installation
Ä HEATING AND AIR CONDITIONING 24 - 61

AA BODY PROCEDURE
WARNING: IF EQUIPPED WITH A/C, THE REFRIG-
ERATION SYSTEM MUST BE COMPLETELY EMPTY
BEFORE PROCEEDING WITH THIS OPERATION. Refer to Group 8E and Group 23 for component re-
moval and installation when performing this opera-
tion. (1) Perform steps 1 through 7 of Blower Motor re-
moval and installation. (2) Remove relay panel above glove compartment
opening. (3) Disconnect the A/C vacuum line connector and
radio noise capacitor connectors. (4) Remove left windshield pillar trim cover.
(5) Remove left lower side cowl trim cover.
(6) Remove hood release handle mechanism attach-
ing screws. (7) Remove steering column trim covers.
(8) Disconnect parking brake release mechanism
connecting rod. Gain access through fuse panel open-
ing. (9) Remove lower left instrument panel silencer.
(10) Remove lower left instrument panel reinforce-
ment. (11) Remove instrument panel center (radio) bezel.
(12) Remove forward floor console.
(13) Remove the radio.
(14) Remove the heater-A/C control.
(15) Remove cigar lighter.
(16) Remove message center/trip computer, if
equipped. (17) Disconnect side window demister tubes from
top of heat A/C unit. (18) Remove steering column upper attaching bolts
and allow the steering wheel to rest on the driver
seat cushion. (19) Remove upper instrument panel (defroster
outlet) cover. (20) Remove upper instrument panel attaching
screws from below the windshield opening. (21) Loosen (do not remove) the left lower cowl in-
strument panel attaching screw. (22) Remove the right lower cowl instrument panel
attaching screw.
CAUTION: Protect the passenger seat cover from
soiling or damage using a suitable cover.
(23) Carefully pull the right side of the instrument
panel away from the vehicle. Allow the instrument
panel to rest on the passenger seat cushion.
CAUTION: Before proceeding with the next opera-
tion, review the Safety Precautions and Warnings at
the front of this Group. (24) From the engine compartment, drain the cool-
ing system and disconnect the heater hoses from the
heater core nipples. Plug the nipples to avoid spilling
coolant inside the vehicle. (25) Disconnect the refrigerant lines from the ex-
pansion-valve at the dash panel on the right side of
the vehicle. Seal the refrigerant lines to prevent con-
tamination. (26) Remove the expansion valve from the evapo-
rator plate. Seal the valve to avoid contamination. (27) Remove the condensate drain tube.
(28) Remove heater-A/C unit to dash panel attach-
ing nuts. (29) From inside the vehicle, pull rearward on the
heater-A/C unit to clear the dash panel silencer and
remove the unit from the vehicle. To install, reverse the preceding operation. Refill
cooling system and test for leaks. Evacuate and
charge the refrigerant system and test overall perfor-
mance.
AG, AJ BODY PROCEDURE
WARNING: IF EQUIPPED WITH A/C, THE REFRIG-
ERATION SYSTEM MUST BE COMPLETELY EMPTY
BEFORE PROCEEDING WITH THIS OPERATION.
(1) Disconnect the battery negative cable.
(2) Drain the coolant from cooling system. Refer to
Group 7, Cooling System. (3) Remove the air conditioner expansion valve (if
equipped). (4) Disconnect the heater hoses from heater core.
Then plug or cap the tubes on heater core. This will
prevent spilling coolant into the interior of vehicle
during unit removal. (5) Remove the condensate drain tube.
(6) Disconnect the A/C-heater vacuum supply line
from vacuum supply nipple (in the engine compart-
ment). (7) Remove the four A/C-heater assembly-to-dash
panel attaching nuts. (8) Remove the passenger side front seat. Refer to
Group 23, Body. (9) Remove the kick panel/sill cover at right door
opening. (10) Remove the body computer (Fig. 6) located at
the lower right section of the right front door pillar. (11) Remove the glove box assembly. Refer to
Group 8E, Instrument Panel. (12) Remove the carpeted panels from both sides of
the console. (13) Un-clip the radio antenna cable from the
metal support (Fig. 6) located behind and below the
glove box opening. (14) Instrument panel removal is not necessary to
remove the A/C-heater assembly from the vehicle.
24 - 62 HEATING AND AIR CONDITIONING Ä