Repair Diagrams for 1990 GMC P35/P3500 VAN Engine, Transmission, Lighting, AC, Electrical & Warning Systems

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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 GMC P35/P3500 VAN car and truck repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 1990 GMC P35/P3500 VAN automobile. Try the Automotix DIY solution today!

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We have info for following modifications of 1990 GMC P35/P3500 VAN

1990 GMC P35/P3500 VAN 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
1990 GMC P35/P3500 VAN 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:J
1990 GMC P35/P3500 VAN 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
1990 GMC P35/P3500 VAN 7.4 V8 GAS, CID:454, Fuel Injection, Aspiration:454, Engine VIN:, Desg:N
1990 GMC P35/P3500 VAN 3.9 L4 DIESEL, CID:239, Fuel Injection, Aspiration:239, Engine VIN:, Desg:L

WIRING DIAGRAMS FOR 1990 GMC P35/P3500 VAN AUTOMOBILES

OEM drawn wiring diagrams for most 1990 GMC P35/P3500 VAN cars and light trucks sold in the U.S.

1990 GMC P35/P3500 VAN 6.2 V8 DIESEL Wiring Diagram

Components on diagram:

Backup Lamp Switch

RH Backup Lamp

LH Back UP Lamp

1990 GMC P35/P3500 VAN 5.7 V8 GAS Wiring Diagram

Components on diagram:

Headlamp Switch

RH Rear Side Marker Lamp

LH Side Marker Lamp

RH Side Marker Lamp

LH Rear Side Marker Lamp

1990 GMC P35/P3500 VAN 3.9 L4 DIESEL Wiring Diagram

Components on diagram:

Electronic Control Module

Kick Down Switch

Kick Down Relay

Transmission Kick Down Switch

1990 GMC P35/P3500 VAN 3.9 L4 DIESEL Wiring Diagram

Components on diagram:

Throttle Position Sensor

Oxygen Sensor

Injectors

ECM Connector

1990 GMC P35/P3500 VAN 4.3 V6 GAS Wiring Diagram

Components on diagram:

Starter Motor Solenoid

Battery

Headlamp Switch

Ignition Switch

Generator

1990 GMC P35/P3500 VAN 6.2 V8 DIESEL Wiring Diagram

Components on diagram:

Glow Plug Controller

Fuel Shut Off Valve

RH Bank Glow plug

1990 GMC P35/P3500 VAN 3.9 L4 DIESEL Wiring Diagram

Components on diagram:

Starter Motor Solenoid

Battery

Generator

Distributor

ECM Connector

1990 GMC P35/P3500 VAN 4.3 V6 GAS Wiring Diagram

Components on diagram:

Vehicle Speed Sensor

Throttle Position Sensor

Oxygen Sensor

Coolant Temperature Sensor

ESC Knock Sensor

1990 GMC P35/P3500 VAN 3.9 L4 DIESEL Wiring Diagram

Components on diagram:

Amplifier With Chime

1990 GMC P35/P3500 VAN 5.7 V8 GAS Wiring Diagram

Components on diagram:

Headlamp Switch

LH License Lamp

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