1994 GMC Rally Wagon 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 GMC Rally Wagon 2500

1994 GMC Rally Wagon 2500 Problems

Flush brake fluid every 60,000 miles

Our technicians recommend flushing the brake fluid every 60,000 miles.  Brake fluid that is dirty may cause problems in the brake system.

Distributor Shaft O-Ring Seal May Leak Oil

An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.

Alternator May Fail and Cause Noise and Dead Battery

The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.

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1994 GMC Rally Wagon 2500 Questions

switch (1 answer)

Ok now I went last night and diassembled the dash again and I have not come across any pinched abused or missed harnesses. could it be the order of the wires I'm puting back on the switch? Theres a spliced two headed yellow medium thick wire, two seperate orange meduim thick wire, and one bla...

Electrical (1 answer)

Salutations finally!! I missed you guy and gals (hopeful there's gals). Well now, I finally got the steering wheel column in place and Ive been driving it swell. But now the aircraft light & switch, reading dome lights, power seat, and television dont work, also the left side of all my ra...

fuel pump gauge (1 answer)

Trying to figure ways to test the fuel pump gauge. It falls in front off the full icon and doesnt move at all Doesnt twitch apon start up,,,nothing. Is there a relay? Not fuse I that I know of.. Fuel pump assembly maybe or bad ground?? Im a girl just trying to be direct with my search, first time...

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