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rogue wire. anybody know where it goes and what its for?

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Old 02-11-2011, 02:23 PM
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rogue wire. anybody know where it goes and what its for?

i cant read my label on this wire. anyone know where it goes? its bundled up with the cable that plugs into the back of the alternator on my 87 4runner 22re. also if anyone has a good wiring diagram for an 87 please let me know. im having trouble with my truck after a rebuild and i want to go over all the wiring again. thanks
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Old 02-11-2011, 02:25 PM
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It's the ground wire for your alternator. It is attached to the head on one of the bolts for the powersteering bracket. It feeds up through the little space in the bracket.

I suppose it could go anywhere...as long as you create a good ground.
Old 02-11-2011, 02:32 PM
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damn, thats where i had it so i guess thats not part of the problem. thanks
Old 02-11-2011, 02:32 PM
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Wiring diagram is in the back of the downloadable FSM.
Old 02-11-2011, 02:33 PM
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^^^ what he said
Old 02-11-2011, 02:46 PM
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not to sound stupid, but what and where is the downloadable FSM?
Old 02-11-2011, 03:08 PM
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downloadable fsm=factory service manual. sorry, took me a minute. where can i get that?
Old 02-11-2011, 03:59 PM
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i think i found my problem. a wire from the harness that was hiding under the plenum. where does this go? what is it for? i read on another thread that there is a ground that goes to the stud on the plenum mounting area and grounds the intake manifold. is this it? it has 12 volts going to it though.
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Old 02-11-2011, 03:59 PM
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no really I guess I will be nice: http://www.ncttora.com/fsm/
Old 02-11-2011, 04:05 PM
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beautious. thank you. any insight on that wire?
Old 02-11-2011, 04:10 PM
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not sure, don't have an re and that don't look like anything on my 22r.
Old 02-11-2011, 04:15 PM
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Originally Posted by Tamadrmr26
i think i found my problem. a wire from the harness that was hiding under the plenum. where does this go? what is it for? i read on another thread that there is a ground that goes to the stud on the plenum mounting area and grounds the intake manifold. is this it? it has 12 volts going to it though.
Your exactly right, it's the ground for the fuel injectors. It goes on the stud that connects the upper and lower intakes.
Old 02-11-2011, 04:18 PM
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why would there be 12V to it though? Not saying it isn't though. Just curious how he's getting 12V.

Last edited by xxxtreme22r; 02-11-2011 at 04:20 PM.
Old 02-11-2011, 04:50 PM
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Look just above the fuse box on the intake. If there is 12V through that wire then there is something wrong. That is a ground wire.

Old 02-11-2011, 05:03 PM
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i must have done something wierd when i tested that the first time. no voltage through it. thanks for the help. im charging up the battery and hopefully she'll fire up.
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