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10-11-2010, 06:22 PM
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#1 |
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Registered User
Join Date: May 2009
Location: FT POLK, La
Posts: 75
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Engine Harness
Hello
I bought a new engine harness for my 72 chevy c-10. On the end is the wiring for the solenoid/starter. I have a blue wire with a cap left over. Does anyone know where it goes? This truck did not have a engine before and the motor I got was taken off another 72 chevy c-10 which I was not there to take pictures and see where the connections went. Thanks to all |
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10-11-2010, 06:29 PM
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#2 |
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Registered User
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,457
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Re: Engine Harness
oil pressure switch??
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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10-11-2010, 06:48 PM
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#3 |
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Registered User
Join Date: May 2009
Location: FT POLK, La
Posts: 75
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Re: Engine Harness
Hello
It might but my engine oil pressure gauge has a tube that connects to the back of it. Meaning oil just might be running that gauge itself. I have searched for the male end of the switch for the blue wire to connect to it and so far no success Thanks |
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10-11-2010, 07:27 PM
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#4 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: Engine Harness
Blue absolutely is the oil gauge/light wire. If you have a mechanical gauge you might not be using it, but that's what it is there for.
Ray Last edited by raycow; 10-12-2010 at 04:01 AM. |
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10-11-2010, 07:30 PM
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#5 |
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sharp as a marble
 Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: Engine Harness
I agree. IF, your truck came with gauges, you might not have had a medium/dark blue wire that was terminated. I have used a 'T' and had both an oil pressure light and a mechanical gauge in a few GM cars.
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10-11-2010, 10:32 PM
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#6 |
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Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,079
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Re: Engine Harness
The harness comes equipped to use either or, simply snip the wire off and that is it. M&H actually instructs you to do so with their harness if not used.
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67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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10-11-2010, 11:13 PM
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#7 |
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Registered User
Join Date: Dec 2009
Location: California, Maryland
Posts: 544
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Re: Engine Harness
The blue wire goes to the oil pressure light in the dash on non-instrumented dash connectors. If you have a full instrument dash, the the blue wire goes nowhere.
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72 Fleet (died) 78 Step (sold) 55 Step named Fred (sold) 00 F150 68 Step (named El Scorcho by PO) Build thread for the new El Scorcho http://67-72chevytrucks.com/vboard/s...d.php?t=392932 |
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10-12-2010, 02:46 AM
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#8 |
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"THE GREEN GOBLIN"
Join Date: Mar 2008
Location: Fremont Ca.
Posts: 1,025
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Re: Engine Harness
This explains the extra blue wire in my engine wire harness good info
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 Petey-pablo"THE GREEN GOBLIN" 1972 Cheyenne 10 Short Fleet Side Front 2.5inch Spindles with 2inch Springs Rear 4inch drop Springs. 454BBC TH400,Posi 1971 Cheyenne 10 Long Fleet Side 454BBC TH350,Posi  SoldDrive it like you stole it!  Petey-pablo@sbcglobal.net |
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