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12-20-2013, 03:07 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: Anne Arundel County, MD
Posts: 108
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Starter wiring
Ok, I come to you all for wisdom, once more. I bought an American Autowire engine wiring harness and there is two wires hanging down for the starter, a purple one and a yellow one. I have heard and read a lot of speculation of which goes where. I was wondering if anyone knows which goes where? Anything appreciated ! Thanks
'68 Chevy Truck with HEI, automatic
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Paul '68 C10 327/TH350 LWB 
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12-20-2013, 03:42 PM
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#2 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Starter wiring
The yellow should be the bypass if you're running points ignition. With a HEI, it is not used.
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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12-20-2013, 04:46 PM
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#3 |
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Msgt USAF Ret
  
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,718
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Re: Starter wiring
..........
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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12-20-2013, 04:53 PM
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#4 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: Starter wiring
purple is the standard color wire that goes to your neutral safety switch and from there another purple wire goes to the starter selinoid
if you are running a point type ignition , as bigdave160 said the yellow attaches to the positive side of the coil for full 12 volt suply only while cranking , the other white wire that attaches to the positive side of the coil is a resistor wire that usually measures at 9 volts in the key on position Last edited by 67 chevelle; 12-20-2013 at 04:59 PM. |
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12-20-2013, 06:08 PM
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#5 |
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Registered User
Join Date: Sep 2012
Location: San Antonio, TX
Posts: 1,026
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Re: Starter wiring
I just installed this same exact wiring harness. I have a HEI and just used the purple on the starter. You won't need the yellow of you have an HEI. I was asking myself why did they provide the yellow wire when it is a wire harness just for an HEI truck?
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Jeff 1972 Cheyenne Super SWB 350, Auto, Bucket Seats w/Console, Tach, Factory A/C, P/S ,P/B, Tilt 1998 Chevy 1500 Ext Cab 5.7, Pewter w/blue interior |
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12-20-2013, 06:33 PM
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#6 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Starter wiring
purple to the S term yellow to the R term[ if you are running points ignition ]
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