20 Most Recent 1990 Chevrolet C1500 Questions & Answers

It's on the driver's side about half way up the dash. Almost ,kinda sorta by the back of the headlight switch. They're a pain in the ***. If I remember right I used to take the head light switch out to get it.

Hey One, Sounds more like the fuel pump...just my 2 cents worth... Chevrolet 1500 1988 1998 Repair Manuals Chevy Service Manuals Original Shop Books Factory Repair Manuals

indicates injectors ( dirty /blocked tips, low fuel pressure--up to 65 psi-injector wiring and harness , ECM problem run the fault codes with a scanner that has GM protocol installed

I recommend you check the fuel pressure regulator diaphragm for proper installation and tears. Did you get a new one with your rebuild kit?

You first need to check the fuel pressure, an easy way to access this is to buy a can of spray starting fluid, spray it into the TBI throttle valve and if the truck starts and dies you have no fuel pressure. Replace the fuel; pump, and make sure you get the right pump, it is a low pressure system.

Possible out of adjustment, bad proportioning valve, bad springs on brake shoes, shoes out of alignment, leaking wheel cylinder. Good luck

Hi Laura, One of the easiest ways to get wiring diagrams is to go to Autozone website and sign up as a Do It Yourselfer, Autozone owns Alldata. They are one of the largest companies that provide Wiring diagrams,etc, for pretty much everything on the road and it's free. Hope this helps, Good Luck, Randy. I’m happy to assist further over the phone at https://www.6ya.com/expert/randall_d932ef6e01588b0f

oil pressure switch normally located close to the oil filter or around the oil pan and lower engine block where the oil is stored

eighth digit

6cyl or 8cyl? Have you verified the rotor is turning inside the dist.?

Check the ground at the coil. If ground is good. check for ground at the distributor module. If both are good, you have bought a bad part. Both can be checked.

Possible ignition module

Try checking with the below link and input all the information on your vehicle. It should give you an idea what transmission will interchange. Car Part com Used Auto Parts Market

I would take it to a good mechanic and have him check to see if it needs a tune up or if it has jumpt time. Sometimes the timming chain will stretch if the engene has a lot of miles on it.

Normally there are bolts on the latch and in the pins on the tailgate itself. You might have to adjust all 4 of them in order to make the rattling stop