Need wiring help. Burnt harness repair te31. 1978

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Need wiring help. Burnt harness repair te31. 1978

Postby njccmd2002 » Sat Jul 18, 2015 9:39 pm

I need help. I bought a te31 78 coupe. And need to repair a short/burn in the harness. Donor part from junkyard not the same.

Here is the part number.

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Here is what it looks like

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I can probably trace most wires and replace. But this section over here the wires were cut!!!

This leads to the starter and the coil i think...


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At any rate the harness has 2 plugs to start with. Would appreciate any help or leads to a diagram to sort it out.

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If anyone has same harness and can even post pics of the wires in the burn plug. Would appreciate. Forgot to mention car has a 3tc, but i think wiring for most part is original
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby BOBLOOK » Mon Jul 20, 2015 3:45 pm

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Re: Need wiring help. Burnt harness repair te31. 1978

Postby njccmd2002 » Sat Aug 15, 2015 4:40 am

Thise diagrams are hard to read. I was hoping one with a te31 to post some pics. I brought the car back from storage to see better.

It had a lot of wires that were floating around.

Image


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Have no idea what they are. Took them out.

What is this?

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Temp sender??

Anyways harness went from this

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To

Image

Have to figure this part. And i hate to short it

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I found this diagrams. But im lost.. Not like modern diagrams that tell u plugs and pin locations...

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In the voltage regulator how to identify each wire???


Image

There are no markings...
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby BOBLOOK » Sat Aug 15, 2015 6:50 pm

What was different on the other harness? Best is to get another one !
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby njccmd2002 » Sun Aug 16, 2015 12:56 am

Thats my biggest issue. Here in tn. No corollas in yards. No one is parting. I cannot get this harness anywhere. I got harness from an auto car. The one i bought was a manual car. Plus the car had a 3 tc engine. And i dont know what other mods done to the original harness.

From what i can tell original harness had 6 wires used from the voltage regulator. The one i bought only uses 5. Leaves one empty. And i cannot get a reference to the regulators. So see which one is Ig, B, N, F. Id hate to guess... I will keep looking.
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby njccmd2002 » Sun Aug 16, 2015 3:13 am

ImageThis is what i need. For our oval plugs...
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby njccmd2002 » Mon Aug 17, 2015 12:05 am

I found the information, after hours of finding the web, and for the sake of no one going through this, im documenting, tired of all the people saying their problem was solved, and no solution...

this manual page

http://www.pia.co.za/MediaLib/Home/Prod ... 010_11.pdf

but i have screen shots...

Image

and for other regulators, and other peoples trucks, cars, or any toyota, honda, nissan, with similar info

Image

ill go ahead and produce my wiring now, as i feel confident i have all i need. crossing finger.
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby njccmd2002 » Sat Aug 22, 2015 3:31 am

any body requiring info on a 78 wiring diagram

Image

http://www.ebay.com/itm/1977-Toyota-Cor ... 46&vxp=mtr

well worth the money
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby BOBLOOK » Sat Aug 22, 2015 6:38 pm

Difference in the 5 & 6 harness if because the 5 wire harness the E is not used is direct attracted the the ground

Se sample hook the wires as per this diagram it will work unless you have more power source trouble
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Re: Need wiring help. Burnt harness repair te31. 1978

Postby BOBLOOK » Sat Aug 22, 2015 6:46 pm

Do this !

Ig= ignition 12V switched to regulator
B= Battery 12v continuous to alternator and regulator
E= Ground
F= field to alternator F
N= Neutral straight to alternator N
L= Is light this wire come from the cluster dash

So test you can use an bulb battery and the negative on regulator L

Electronic is no Joke but if you comprehended it its kinda fun
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