Top 20 1995 GMC Sierra C1500 Questions & Answers

Put you a couple of more body grounds on it if that helps From the Block to the fender and from the frame to the body

1995 GMC Sierra... | 54 views | 0 helpful votes

It may not be the alternator causing the vibration - it could be something else being driven by that belt. I would take off the belt and check the idler pulley first, then the rest to see if there is a misaligned pulley or one of them is very rough or loose when being manually turned.

1995 GMC Sierra... | 88 views | 0 helpful votes

plastic distributor ? wrong screws in rotor? timing?

1995 GMC Sierra... | 113 views | 0 helpful votes

Found these two fuses for hvac. Use a test light, check voltage on fuse circuit, key on. Yes, the ignition switch is involved. Check feed to ignition switch, both show to be red wires, hot all the time. The feed from ignition switch to hvac shows to be orange wire.

1995 GMC Sierra... | 19 views | 0 helpful votes

Contact the dealer, there may be a recall or TSB

1995 GMC Sierra... | 28 views | 0 helpful votes

It probably smokes all the time , when moving you don't notice it > What color smoke ? White - coolant is getting in to the combustion camber , head gasket , intake manifold . Blue - oil is being burnt - rings , valve seals , Black - running rich , leaking fuel injectors . leaking fuel pressure regulator . Smokes from were , exhaust ? Engine bay etc....

1995 GMC Sierra... | 51 views | 0 helpful votes

Have you had any issues with your oil level raising? You could have an injector sticking open slightly letting the residual fuel pressure that is in the line bleed fuel into the engine after shutting the engine off.

1995 GMC Sierra... | 43 views | 0 helpful votes

it is in the PRNDL side on the side of the transmision

I’m happy to assist further over the phone at

1995 GMC Sierra... | 354 views | 0 helpful votes

do not think there is one as FORD was the only company that used them . quite likely the wiring got rippered loose to the fuel pump

1995 GMC Sierra... | 179 views | 0 helpful votes

there are several sensors including the VSS, TCM, vacuum actuator oil pressure and ECM
the idea is to read the fault codes to show the problem units

1995 GMC Sierra... | 182 views | 0 helpful votes

You should be able the get this from any parts store. They are very good about helping out with that.

1995 GMC Sierra... | 145 views | 0 helpful votes

You can't. Replace the regulator. Been there , done that. They don't last.

1995 GMC Sierra... | 63 views | 0 helpful votes

Backfiring is usually associated with a lean condition. Is fuel pressure correct? Is this vehicle TBI and are both injectors working properly? If timing related it should spark rattle under load and the timing would be way out and not run/start well at idle

1995 GMC Sierra... | 132 views | 0 helpful votes

Go to LMC late model cars an trucks. They have all the parts for your truck with diagrams. Down load the correct catalog an you can see all that is needed. As well you can go to this link an read this article about it on an older truck. I understand they are simular in design.

1995 GMC Sierra... | 151 views | 0 helpful votes

Need to verify air, fuel, ignition, and computer codes.
Is there a fuse blown or bad wire connection on battery, alternator, or grounds to frame?
For TBI ( Throttle Body Injection ) systems, is the check engine or Service Engine Soon light on or had come on?
That will most of the time tell you by the code what electrical computer sensor or component is faulty.
I recommend the Haynes Repair Manual for your specific year range of make and model. There are more trouble shooting helps and test with computer codes too.
When there are no codes in computer, check the MAP sensor vacuum line and connector; TPS sensor; distributor cap and rotor, spark plug wires, spark plugs and the spray pattern from the TBI injectors ( when engine is running ).
When was the last time the fuel filter ( usually mounted on the inside of the driver's side frame rail ) was changed?

I’m happy to help further over the phone at

1995 GMC Sierra... | 48 views | 0 helpful votes

Replace ballast resistor.

1995 GMC Sierra... | 38 views | 0 helpful votes

That could be a perfect reason to take it back to the shop where it was just repaired for repeat service. Either that or you spun out in the mud.

1995 GMC Sierra... | 290 views | 2 helpful votes

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