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09-05-2011, 11:23 AM
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#1 |
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Registered User
Join Date: May 2009
Location: Orem, Utah
Posts: 7
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1966 GMC Suburban Wiring Diagram
I don't know why I didn't ask this questions about a week ago but I have been searching everywhere for a wiring diagram of my 1966 GMC suburban. The only diagrams I can find have to be purchase and hope someone has one I could use. My suburban has two headlights and a parking light in the front if that helps. I know this is a long shot but I will keep my fingers crossed.
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09-05-2011, 03:56 PM
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#2 |
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Registered User
Join Date: Jul 2011
Location: N Kingstown, R.I.
Posts: 305
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Re: 1966 GMC Suburban Wiring Diagram
do google search for pictures, i found a nice color one on there
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09-05-2011, 03:57 PM
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#3 |
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Registered User
Join Date: Jul 2011
Location: N Kingstown, R.I.
Posts: 305
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Re: 1966 GMC Suburban Wiring Diagram
whats wrong with it?
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09-07-2011, 11:45 AM
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#4 |
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Registered User
Join Date: May 2009
Location: Orem, Utah
Posts: 7
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Re: 1966 GMC Suburban Wiring Diagram
I have done google searches and can only find the pay ones. I purchased a new wiring harness and have been trying to rewire the headlights. The only diagrams I can find are for two headlights and I am looking for 4 headlights diagram. If you could post the link to the diagram you mention that would be great.
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09-07-2011, 02:07 PM
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#5 |
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Registered User
Join Date: Sep 2010
Location: Tulsa, Oklahoma
Posts: 1,925
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Re: 1966 GMC Suburban Wiring Diagram
dual headlight systems work like this:
Low beams have 3 pole sockets hi beam bulbs have 2 pole sockets: when the low beams are on the low beam lights come on, when you turn on the hi beams the power goes to the hi beam bulb as well as the hi beam bulb in the low beam bulb. Do it with relays, it will make the light a lot brighter since the bulbs will be drawing power directly from the battery instead of through the headlight switch. Kieth I just rewired my 66 gmc and it has 4 bulbs went to halogen bulbs (only $7.00 each) sure puts out a lot more light. |
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10-15-2011, 12:24 PM
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#6 |
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Registered User
Join Date: Dec 2010
Location: salem oregon
Posts: 414
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Re: 1966 GMC Suburban Wiring Diagram
is there a diagram for this mod on here? or part#'s for the relays and bulbs? I have some random relays. old harley stuff. I have a ford type solenoid on the fenderwell so battery power to the relays would be easy. I even have a multiple relay mount that could be put next to the solenoid. then one for high beam and one for low? two wires to the dimmer switch? some night photos of the difference would be good. or some feedback on any relay failures.
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10-15-2011, 12:35 PM
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#7 |
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Registered User
Join Date: Nov 2009
Location: Galt, Calif
Posts: 2,437
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Re: 1966 GMC Suburban Wiring Diagram
http://67-72chevytrucks.com/vboard/s...d.php?t=397695
This one is in the FAQ section, there might be another one.
__________________
`64 C10 vortec 350/350/373 posi `69 RS/SS 350/350/308 `37 Ford 406/350/324 traclock `68 Dart 370/904/323 suregrip |
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10-15-2011, 12:42 PM
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#8 |
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Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: 1966 GMC Suburban Wiring Diagram
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10-15-2011, 06:33 PM
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#9 |
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Registered User
Join Date: Jul 2011
Location: N Kingstown, R.I.
Posts: 305
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Re: 1966 GMC Suburban Wiring Diagram
search google pictures for the diagrams, i found the color ones on there
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