73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Electrical => Topic started by: Mikeymike383 on January 31, 2016, 03:39:48 pm
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Sorry I used Facebook 2 post my pics but what are these wires po cut/unhooked
(https://scontent-dfw1-1.xx.fbcdn.net/hphotos-xat1/v/t1.0-9/fr/cp0/e15/q65/940852_1193934930635573_6871119866706936091_n.jpg?efg=eyJpIjoidCJ9&oh=4ec4d7f980fac5c0bb58f352f1381f07&oe=57232F9A)
(https://scontent-dfw1-1.xx.fbcdn.net/hphotos-xlp1/v/t1.0-9/fr/cp0/e15/q65/12509007_1193934940635572_9138445884419948478_n.jpg?efg=eyJpIjoidCJ9&oh=6c426772cb7344882273d9278111aa6f&oe=573A21FF)
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What year & model truck do you have? Trim level and factory options if you know what it had originally?
The first picture, the dark green wire and light green wire that are molded together look to be for the air conditioning compressor but your firewall looks like it's a heater only truck, no factory ac.
The second picture, if the wire is dark green looks to be the coolant temp sensor wire.
More information is needed however. Those are just my initial observations.
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The first picture looks like heater blower motor. A larger picture showing end to end would help.
The second picture looks like horn. Again, a larger picture showing end to end would help.
EDIT:
In the first picture it looks like your blower motor wiring is in place. So I stand corrected and haven't a clue.
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It's a 73 I don't know the trim level
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And it has a 350 tbi engine out of a 88 Camaro but has carb on it. If u guys want I can email better pics
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Do you still have the SPID in the glove-box?
Can you post a picture of it?
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Po took out glove box
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I was rlly good friends with the og owners son he gave it 2 his son and he thrashed it and only had it 4 like 2 month he used it 2 go scraping and taking it out 2 red sands. I've fixed a lot of the problems but I'm not good with wiring. And I can't ask po his dad passed away a month or 2 ago and idk where the son is now
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Ok it's a 73. Now does it have dash vents and provisions on the hvac controls for air conditioning? Is it a heater only truck? Does the horn work currently?
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Does the truck have dual gas tanks? That first picture of the two green wires together almost looks like the wires that go from the selector switch on the dash to the solenoid under the bed. The second pic could be either temperature sending wire or horn wiring since it's up by the radiator support. As stated, more info and some better pictures would go a long way toward helping you to figure it out.
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I'll snap some more pic in the morning but it had dual tanks but po son removed 1. And he took the horn off the wheel and replaced it with that. So if that is the horn. Where is the temp gauge wire. That's what I'm rlly looking 4 and I need the tube 4 the mech oil pressure gauge
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While you are tidying up the wiring you may want to pick up some spark plug wire spreaders.
That zip tied bundle will lead to crossfire if it is not already present.
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That second picture I'm pretty sure is for the original horn. You could ground that end out, then go to the cab side of the fuse box and throw an electrical tester on it.
I wouldn't hold my breath on this because of the age difference. But 85 has 2 sets of wires for the distributor. One for HEI ignition and another for the standard non-HEI. Those look like my non-HEI wires. Just without the male connector.
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Sorry I used Facebook 2 post my pics but what are these wires po cut/unhooked
(https://scontent-dfw1-1.xx.fbcdn.net/hphotos-xat1/v/t1.0-9/fr/cp0/e15/q65/940852_1193934930635573_6871119866706936091_n.jpg?efg=eyJpIjoidCJ9&oh=4ec4d7f980fac5c0bb58f352f1381f07&oe=57232F9A)
That green wire pair is probably for the manual transmission backup light switch. The switch threads into the transmission case. Jump the two wires together, switch on the ignition and look to see if the backup lights illuminate.
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If those are back up lights how do I hook them up 2 my b&m shifter I changed out tranny with th350 with b&m floor shift (zgate)