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I can’t for the life of me understand why no power is being given to my ignition when I turn the key. My (-) battery terminal is grounded to my block.
I have a 5.3 factory positive wire running from my battery to the red converter box which runs to my alternator, then the same cable runs to my big starter bolt and my fuse block
then on my factory fuse block I have f1 (grey on left) for my fuel pump, b1(orange on bottom right) constant 12 volt connected to one of my fuse block terminals, and A3 connected to which was my main power from my distributor (ignore b4 I forgot to cut it)
Then looking at my starter I have my main power from my battery on the large solenoid, and on the tinier one I have the ignition wire which runs to my harness (or should) and the pink wire is for my electric fans which I have to move to my larger solenoid.
This is my first question, there is also this other starter wire from my 5.3 stock wiring harness,
where does that go
Then none of my accessories work at all so what do I do about that, because I can’t seem to find any wires that went to my starter for my accessories like lights and stuff
but I am so bewildered on why I can’t get any turn over or anything please help
for more info, nothing happens at all when the key is turned, my after market fuel pump doesn’t activate, my headlights won’t do anything, radio doesn’t turn on etc.
Last edited by KyleKetterhagen; Aug 21, 2022 at 09:40 AM.
Do you have a multimeter to start tracking power from the battery through the fuses to the PCM, etc? You don't mention which PCM you are running but they all seem to have multiple grounds and at least two power input wires: 1 - for boot up and operations power and 2 - memory keep alive power. Do you have power on these pins and good grounds supporting the PCM?
Do you have a multimeter to start tracking power from the battery through the fuses to the PCM, etc? You don't mention which PCM you are running but they all seem to have multiple grounds and at least two power input wires: 1 - for boot up and operations power and 2 - memory keep alive power. Do you have power on these pins and good grounds supporting the PCM?
All pink wires need to have positive voltage then the ignition is in the run and start position, the orange wire is constant positive to the battery. All black wires are grounded to the rear of the head. As for the last wire you are holding, it looks like the battery terminal that goes to the starter. Not sure what you are using for the starter solenoid trigger wire, but that comes from the car itself and is only hot in the run position.
All of the pink wires in the harness are for fused inputs to accessories like injectors, coil packs, O2 sensor heating elements, mass air flow and such, the ecu will send a ground signal to the fuel pump relay to turn it on. Not sure why this punk wire is connected to the starter I would guess the wire yiu are holding in your hand is part of the problem and is a positive that you ar missing. The car should turn over with the battery connected to the large post, and the 12v trigger from the car itself.
Looks like you may need to educate yourself a bit more with the wiring diagram and print all 4 pages of the ECU and tape them together and reevaluate the wiring you have done thus far.
Why is there a pink and an orange wire going to the starter solenoid , if you have used the stock truck harness, that should only be the only purple wire in the bundle, not orange or pink. The purple wire should be connected to the small terminal in the starter, and also to the ignition switch of the car.
And why is there a large gauge red wire grounded to the alternator.? Red is for positive not negative. Do yourself a favor and rethink this wiring, it’s a terrible mess!
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