1990 GMC 1500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 GMC 1500 Pickup

1990 GMC 1500 Pickup Problems

Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Windshield Wipers May Fail Due to Faulty Wiper Motor Control Board

The windshield wipers may not work intermittently due to a faulty wiper motor control board. Our technicians tell us that lightly taping on the wiper motor when the fault occurs should temporarily get the wipers working again. Some vehicles were recalled for this problem and some were not. You will need to check with your local dealer to find out if a specific vehicle was included.

Inside/Outside Door Handles May Break

The inside and outside door handles are prone to breaking.

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1990 GMC 1500 Pickup Questions

The dashboard lights and rear running lights do not work. All fuses are fine. (1 answer)

What could be the issue?

I can't get power to my fuel pump,relay,mini fuse or sending unit. Anything I'm (1 answer)

350motor,700R4 auto trans,4whldrv, used to be a farm truck.wires torn out all over,replaced fuses but still nothing. Is there more disable links or an inertia switch idkbout somewhere?

How to replace heater core hoses? (1 answer)

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