1987 Chevrolet Corvette "pcm schematics" Questions

...after changing sensor. sounds like you have a broken/shorted wire somewhere along the way from the pcm to the sensor, if your good with testing wires, trace the wires from the maf back to the pcm or ...

schematics only show 1 relay.power comes into the relay from the pcm on the orange and white wire and goes to the fuel pump on the yellow wire.So check for power in and out of the relay on these wires

2014 Chevy Malibu 2.5. Looking for PCM plug wiring schematic please? Plug with crank speed sensor wiring. Try the "Carmin" app. Free with adds. Question edited for clarity. Question moved to model ...

...battery and the alternator is good. What could be going on? Check the fuses first. Ignition and PCM fuses. Check the big wire from the alternator to the battery. Check battery clamps. On any of ...

Trying to identify the signal wire color code and location at the pcm for the 5 wire O2 sensors both front and rear. Are they on connector A, B, or C at the pcm. There are actually 2 signals coming ...

and dies, You unplug the aternator and it runs. Replaced with new alternator. Didn't help. Does the PCM control the alternator. Thinking about replacing the pcm. The pcm contains the voltage regualtor

i need a wiring diagram for the pcm. Are you looking for a specific wire found there or just the entire schematic? i need the diagram for the plugs going into the pcm

how do i check the alternator fuse in my pcm A schematic may help you . You have several links that could play a part . Check these and then check wires shown in diagram to and from the PCM .

...problem? You have maybe 2 dozen wires on this car that runs everything. If you need the schematics go to alldatadiy.com and buy them. If I had them, I would pass them along. I deal with 100+ wire ...

after changing new pcm engine won't crank I have done pcm programing how can I reset the parameter? Wiring, schematic, electrical diagrams, fuse diag, error codes etc are basic contents of these ...