20 Most Recent 1995 GMC Sierra C1500 Questions & Answers

I suggest taking it back to the shop that rebuilt it.

The cargo light will only work if the lights in the cab are on. Turn them on then flip the switch for the cargo light and it should come on, if not then it is probably an electrical problem.

You didn't say what engine size, but no matter for me. That sounds like the ignition control module-about the size of a matchbook, and 4 or 5 wires to it. GM often put them in the base of the distributor. The PCM controls spark timing by signaling to the ignition control module. This module controls the ignition coil, it cuts the primary current to the coil (when the pcm signals it), so that high voltage spark is generated from the coil.

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

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.

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.

See if cleaning the throttle body helps - TUTORIAL HOW TO clean Vortec Throttle body 5 7L Chevy Gmc

plastic distributor ? wrong screws in rotor? timing?

Contact the dealer, there may be a recall or TSB

ecm1 is injectors not fuel pump ecm-b is fuel pump its more likely to be a faulty relay for the injectors, it would be a similiar design to this this is for the fuel system, relay for the injector is nearly the same.

when you fitted the thrust bearing did you grease it before fitting ?

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....

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.

it is in the PRNDL side on the side of the transmision I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa