All 1990 GMC 1500 Pickup questions

the stereo will play fine and then the stereo starts to shut off and the guages start to flicker,...

I JUST CHANGED FROM THE 700R4 BACK TO THE TH400
. ALL GEARS WORK GREAT. IVE CHANGED FUEL FILTER...

all brake components have been replaced. From the hub to the pads. new rotors, pads, calipers, li...

I removed the door handle and a spring flew out and now i can't figure out how it goes back ...

I failed to mention i recieved a code 42 sorry. also it's a automatic. stalls intermittent, ...

Moved vehicle out of carport,ran fine.After about 2 hrs would not start.Timing is right on,even c...

No power to fuel injectors, have replaced module, brain box,fuel pump, and not sure what else to do

I was told that I need a new engine (long block) replaced,

It was not in the choices under &qu...

The previous owner hard wired the blower motor to a switch.
we rewired everything back to orig...

Why does my truck cut off after I crank it,it usually takes about 10-15 tries before it finally k...

Its a 74 but I just cleaned the plugs and my brake light fuses blew? Can there be a connection?

I can't get hot air from the heater. I had to change the thermostat anyway and hoped that wo...

The spark plugs are on top of the heads, which tells my freinds it is a military engine, they say...

My brake lights go off when I turn the headlights on in my 90 GMC Sierra and the rear parking lig...

the engine cranks and cranks, will not start