Im not sure what you are trying to do but, if you wanted to order a computer fuel injection kit for it. It would suppy a new harness, computer. Or you could really go old school and go carburated and order a carb and manifold. Either way, still is lots of rewiring invovled. You could order a new harness for your vehicle or get someone who specializes in fine tuning and good diagnostic work. Whenever someone says I think it could be this, instead of explaining and showing don't trust the thinker. A prover is the best mechanic.
SOURCE: 2001 GMC Sonoma Engine stopped while driving
sounds like it could be plugged injectors or a timing problem.
SOURCE: 92 GMC Sonoma, How to change the time on radio clock?
If it's the original radio, you have to hold the "set" button and press some of the other buttons to change the hour and minutes. Sorry, can't remember which ones exactly but the "set" button for sure.
SOURCE: Starter in a 1992 GMC Sonoma 4.3 v6
bottom rear of engine on the passenger side, the starter is serviced from under the car. it is held to the engine block with two bolts, then u must remove the battery cable and starter solenoid wiring as well, always disconnect the battery before doing any work on the starter.
SOURCE: Starter problem on a '92 GMC Sonoma
u have to remove the flywheel housing, then it will drop down
SOURCE: Replacing heater core in 2000 GMC sonoma. Dash is
If the dash is removed you've saved about 9 10ths of the job endurance. Look around, what you believe to be, the perimeter of the heater box. I cannot, and no one else can, tell you exactly where the bolts and nuts that mount the heater box are. Therefore you must viually sixe the box and check outide in the engine compartment and inside under the dash for the mounting bolts.You'll want to start by removing the heater hoses. Then starting at the passenger side engine compartment look for a group of 10mm or 7/16ths nuts retaining the housing and remove them. Do the same inside. The housing is usually held together with screws or clips, it changes year to year. Keep a log or pix of the wires and cables and hoses(vacuum) that are connected to the housing for reassembly. You'll need to "roll" the box out from under the dash depending on how much of the dash has been removed. The core is easy to spot for is has two hoses sticking out, and, is encircled with clips or screws . Also make sure you remove the bracket around the two entry hoses if it has one. Thank you, Dana
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