Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

No Contact or Voltage at all

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Old 03-15-2014, 12:54 PM
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No Contact or Voltage at all

After swapping the old 2.8 engine for a better 2.8 engine which is almost entirely the same except not broken I'm experiencing that I have no contact at all when the key is turned in the slot and also there's absolutely no voltage to be measured on any plugs or anything inside of the car except for on the constant voltage that goes to the starter. Now it's probably a stupid problem and I hooked everything I could up but it's frustrating me to no end, it's not the battery because sparks are still flying off of it. Any suggestions as to what it could possibly be? I searched far and wide for lose plugs even under the car but couldn't find any any more. Anyone maybe have some charts or something which I could use to determine what's not the problem and what else isn't and so on until only the thing that is the problem remains? Thanks in advance, guys, and I do know it's a kinda stupid thing I'm overlooking but would really really appreciate all the help I can get with this, hearing my dear car's engine roar and being able to drive it around and show it to people is long, long overdue.
Old 03-15-2014, 03:00 PM
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Re: No Contact or Voltage at all

Originally Posted by Renier
it's not the battery because sparks are still flying off of it.
Have you checked fuses? What do you mean by sparks flying off the battery??? I sure hope you aren't touching cables or battery posts together!! If you've never had a battery explode, that's certainly a way to experience it. Have you checked the ground connections? Did you pinch any harnesses during the swap?
Old 03-15-2014, 03:21 PM
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Re: No Contact or Voltage at all

Originally Posted by Lurbie
Have you checked fuses? What do you mean by sparks flying off the battery??? I sure hope you aren't touching cables or battery posts together!! If you've never had a battery explode, that's certainly a way to experience it. Have you checked the ground connections? Did you pinch any harnesses during the swap?
The battery sparks when the post is touched, that's what I mean, meaning it's not empty. But thanks for the suggestions! Checked all ground connections they're all connected. Don't think I pinched any harnesses, can't think of which one would've been pinched.
Old 03-17-2014, 05:25 PM
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No Power This Hour

Originally Posted by Renier
I have no contact at all when the key is turned
Using a voltmeter or test light (the type for testing for voltage, not a continuity tester) probe the 12 gage pink wire out of the steering column when the key is in the RUN position.

Is there power there?


Happy Racing !



Don’t Blame Me For Spinning Him, My Car Simply Took The Air Off His Spoiler

Old 03-17-2014, 07:26 PM
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Re: No Contact or Voltage at all

Sounds a lot like it would be the fusible links at the starter, possibly ground strap on the passenger side head to the firewall.
Old 03-20-2014, 09:09 AM
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Re: No Contact or Voltage at all

Thanks a lot, guys! Problem is solved, it was the wire on the starter after all.
Old 03-20-2014, 09:25 AM
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Re: No Contact or Voltage at all

Glad to hear you got it sorted out.
Old 03-20-2014, 06:52 PM
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Re: No Contact or Voltage at all

Glad you figured it out!
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