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10-14-2021, 06:29 PM
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#1 |
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Registered User
Join Date: Apr 2015
Location: Puyallup WA
Posts: 365
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help with wiring
i just acquired a 85 k5 blazer. the previous owner removed the engine and now wiring is just laying around. before disconnecting everything they left the driver side power window down. i am trying to get it back up but unsure what i need to connect to the battery.
i tried connecting a few wires here to a battery without any luck.  also here i seem to have a few wires cut. should this ground be connected for the power windows to work? 
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10-14-2021, 08:16 PM
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#2 |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,375
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Re: help with wiring
I think if you give that wire with the large ring terminal and fusible link 12 volts and hook the battery to ground it should work.
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76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10 |
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10-14-2021, 08:56 PM
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#3 |
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Registered User
Join Date: Dec 2015
Location: Beaver Falls, Pa
Posts: 168
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Re: help with wiring
For what it takes to pop off the trim panel & get on the window motor, it would likely be a simpler way to go & avoid having another hot wire touch down on something & fry a fusible link or something. Lorne
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10-14-2021, 11:53 PM
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#4 | |
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Registered User
Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 766
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Re: help with wiring
Quote:
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 1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bedWas a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change. |
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10-15-2021, 01:57 AM
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#5 | |
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Registered User
Join Date: Jun 2014
Location: Orlando Florida
Posts: 1,598
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Re: help with wiring
The big ring is positive, goes to the starter where the battery positive would be. You'll need a good ground to the body.
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Quote:
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10-18-2021, 09:31 AM
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#6 |
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Active Member
 
Join Date: Jan 2017
Location: Traverse City, MI
Posts: 194
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Re: help with wiring
That ground coming out of the fire wall where wires were cut is no longer necessary, it was used for the computer for the Electronic Spark Control (ESC). The cut wires would have hooked up to a knock sensor and the distributor, plus a sednoid in the carburetor. That was a stand alone system.
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10-19-2021, 05:33 PM
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#7 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,977
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Re: help with wiring
The 3/8" ring terminal that's laying on the crossmember is one of the main power connections.
The other main power connection is the stud block on the firewall next to the brake booster. The braided cable hanging off the firewall is a good place to hook your ground to power up the cab.
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