View Full Version : wiring diagram
06-19-2009, 03:28 PM
i need a wiring diagram for a 78 chevy k10 with 350/350 combo i need it for the ignition and starter system. also if anyone could help me i need to find out why its not recieving any power to anything at all. thanks
06-20-2009, 11:25 AM
any thing at all eh, do you have a battery installed in the truck? if yes go to step 2
tools needed - volt meter
start by following the battery cable to the starter and measure and see if you get battery voltage there.. keep going till you get to the bulkhead connector. if you get power all the way to the bulkhead connector, do a voltage drop on the power and ground side of everything you just measured.
does anything work/turn on in the truck? is the ground cable connected, is the power cable connected, was it working before you did something what did it do before the problem. seriously we need more information. if i were you i would go buy a chilton or something like it for 15 bucks at the autoparts store, they have wiring diagrams in the back of the book.
06-20-2009, 12:06 PM
ya all the power accessories work it just wont turn over or anything like that all the power stuff works in the cab i thought i got it wired right but im thinkin i might just run a push button starter and run a toggle switch to turn it off
06-20-2009, 12:57 PM
quote from previous post.....was it working before you did something what did it do before the problem???
so said "i thought i got it wired right" ??????? what did you do exactly. your not explaining everything in your responces which makes helping you quite difficult.
so its not cranking right. to start, check the small purple wire on the starter's solenoid, its the smaller possibly 12gauge wire for power while CRANKING. if you dont get power there, test the igintion switch's purple wire while cranking. you should get battery voltage. post up with your findings
06-20-2009, 10:32 PM
when i got the truck the wiring was all dicked up they were all cut up i got a manuel and wired it correctly to how it said in the manuel and its still not cranking over i dont get any voltage at eh ignition switch wire so i am thinkin that i will jsut run a push button start and a toggle switch to cut off the ignition to get it to run
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