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#1 |
chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 1,990
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engine wiring harness questions
hey guys (& gals),
![]() i am trying to connect my engine wiring harness from l&h (stock replacement) & i am rebuilding the truck. the original harness is gone. i was wondering if anyone here has rewired the front of the truck & would be nice enough to help explain the connection points or tell me where i can find the connection points for the stock replacement engine harness???? everyone has been a big help in the past... ![]() thanks in advance for any help that is given!!!! ![]() rodstored-72 |
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#2 |
Out of the carpool lane.
Join Date: Jan 2000
Location: Clark Co, WA
Posts: 5,673
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Re: engine wiring harness questions
I rebuilt my front wiring harness when I added relays to my lights. I just went to a really good local hardware store and got wire that closely resembled the stock colors and went at it. You can buy the connectors that go inside the fuse box at NAPA so that everything fits well and you aren't half-assing it.
If it'll help, I can take pics in the next couple of days of the firewall fuse panel and what wire goes where in there. Keep in mind that I have a I-6 and a V-8 might be different, but should still have all the important stuff in the same spot (ie. HEI, lights, temp sending unit wire, heater, brake light sending unit, ammeter, etc)
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1968 C-10 SWB, 5.7 Vortec/700R4/3.73 posi, Torch Red 1968 Camaro, 250/Powerglide, all original (No, I'm not gonna drop a 350 in it!...Jeez!) 2000 Honda VFR in the faster yellow! 2008 Husqvarna TE-610 1967 C-10 SWB 'Six Appeal'-Gone but not forgotten... |
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#3 |
chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 1,990
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Re: engine wiring harness questions
brad,
thanks, but i was hoping that someone had already done the same engine wiring replacement & they could just tell me ie: the yellow & blue wire go to this or the black & red wire go to that. that is what i was hoping for. again brad thanks for the offer!!! that what this board is for & that is why i like it sooo much!!! rodstored-72 |
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#4 |
Post Whore
![]() Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,684
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Re: engine wiring harness questions
Here is a previous post of mine that should help.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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#5 |
chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 1,990
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Re: engine wiring harness questions
yukon jack,
thanks abunch!! that is exactly what i was wanting!!! i am also wondering if you had any problems with the wires not being long enough to go were needed??? i may just have the wires routed non stock(??) anyways thanks again for the great help!!! rodstored-72 |
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#6 |
Registered User
Join Date: May 2000
Location: Petrolia,Ontario,Canada but working in Port Huron,Mi.
Posts: 1,771
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Re: engine wiring harness questions
I used an M+H factory replacement harness as well.
I had no problem with wire length. The front headlight harness goes behind the drivers fender then along the rad core to the headlights and battery. The eng harness runs along the cowel,the HEI feed will drop down from there and then the starter feed will drop down beside the heater core houseing.
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71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE |
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#7 |
Post Whore
![]() Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,684
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Re: engine wiring harness questions
Only issue I had was I swapped in a 454 and the alternator is on the opposite side. I just changed how I laid that portion of the harness out. It is not how I would prefer, but I haven't bothered cutting the wires and rerouting it. Glad the info looks helpful.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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#8 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,902
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Re: engine wiring harness questions
This may help
http://www.geocities.com/chevroletc1070/wiringdias.html
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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