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Toyota Supra Forums! Join the Supra forum! (http://www.toyota-supra.info/forums/)
-   MKIII Supra (http://www.toyota-supra.info/forums/mkiii-supra/)
-   -   supra has no electrical power (http://www.toyota-supra.info/forums/mkiii-supra/20581-supra-has-no-electrical-power.html)

akue 06-12-2012 08:10 AM
Quote:
Originally Posted by btwilson86 (Post 103335)
There is no ground wire to the alternator.

Do you have jumper cables? If so, you can use them to bypass your ground wire. Take the negative battery cable off of the battery. Hook one end of the jumper cwble to the negative battery post. Now hook the other end of the jumper cable to the engine (a good place is the hook used for pulling the engine, right next to the alternator). Still no power? Move the jumper cable from the hook to a bolt on the body of the car. If you still have no power after this, then the negative battery cable is most likely NOT the problem.

To diagnose further, you really need to get a multimeter, or at least a test light. Without the proper tools, nobody here will be able to help you.
Soo if I hook the jumper cables to the battery and to the ground on my car and get power its the ground? Your saying

btwilson86 06-12-2012 01:05 PM
Yes, but reading your last post it sounds more like you have a bad connection on the positive terminal since you said you briefly had power when removing the positive cable

Green7mgte 06-12-2012 01:35 PM
thats good trouble shooting BT

Ranma 06-12-2012 03:56 PM
Like the ideal of using a jumper cable as a ground wire. Wish I would of thought of it and guess I missed the part about the terminal. Yes it would be the first thing checked. I would think they are corroded as well. He did say something about a ground wire being off.

With luck it was a loose dirty terminal and a lesson to people to do the simple maintenance. Yea BT you got me beat on troubleshooting.

akue 06-12-2012 09:48 PM
Ok soo this fusible link thingy lol where is it I thought it was a fuse but I was wrong I know its supposed to be before the 1st fuse box so where is it?

cre 06-12-2012 10:55 PM
The search function on this site works very well.

http://www.toyota-supra.info/forums/...ible-link.html

There are more threads which discuss it too but I'd rather you do the research than retype it all over and over every time someone asks.

akue 06-12-2012 11:12 PM
Ok it was the end of the fusible link it was broke I have restored power to the car :D now just hope my baby starts :) letbu guys now in 15 mins

akue 06-13-2012 12:33 AM
Shea running again :) thank you guys for all the help

TSchulz 06-26-2012 03:12 PM
Okay, not sure if this is the same issue but my car also now has no power at all. I turned it off in a parking lot and it hasn't had any power at all in the car since.
I have replace the fuses that I thought it could be but no dice. I have tried to jump it and have tried to compression start it but still nothing at all. Anyone have any ideas?

cre 06-26-2012 04:02 PM
Zero electrical power? Not even to the dome lights? And the battery is charged? As covered in this thread, bad battery wires, primary grounds or fusible link.


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