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#1
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68 gto rear defogger
Just bought a complete rear defogger kit for the 68 gto comes with switch ,harness ,grille and rear defogger the problem is that I can not find a wiring diagram for the connection and I believe something is missing the switch has a brown white and purple wire I believe the brown needs a 12 volt feed wire but now the purple wire goes to the rear defogger my problem is that there is a connector with the white and purple wire and I don't have a connector for that just the purple wire connector if someone can help with a clear diagram it's appreciated and thanks
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#2
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Sec 15 of your 1968 Service Manual; Best I have...
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When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. |
#3
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Thanks for the diagram but the plug with the white and purple wire together I don't have I just have the purple wire with the single connector at both ends the plug with the white and purple wire looks like a double connector.
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#4
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The purple wire is for high speed. The white wire is a resistance wire for low speed. The white wire is spliced into the purple wire within the under seat harness feeding the defogger.
The purple & white wires to the switch have a double male terminal. The wire feeding back to the defogger has a double purple & white female terminal at the dash end and a single purple wire terminal at the defogger.
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Ed 1968 GTO (Thanks Mom) 2006 Silverado 2007 Cadillac SRX 2015 Chevy Express |
#5
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Do you know where I can get that double plug to single plug for the rear defogger from the switch to the under seat wire
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#6
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My question is; does one end of your underseat wiring harness have a white and a purple wire and does the other end just have a single purple wire?
__________________
Ed 1968 GTO (Thanks Mom) 2006 Silverado 2007 Cadillac SRX 2015 Chevy Express |
#7
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No I don't I have the purple wire that goes under the seat from front to back and from the switch I have the two prone connector which I can't hook up the purple wire to because it's one prone seem to me like a connector is missing if it helps I will try to take pictures of it later and I appreciate your help.
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#8
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In cases like this, you can use separate connectors or find a suitable (similar) replacement.
There are several vendors that deal with Packard Connectors, it's just daunting to look through all the e-catalogs. Here is one example; https://ceautoelectricsupply.com/ind...rd-connectors/
__________________
When I die, I want to go peacefully like my grandfather did, in his sleep. Not screaming like the passengers in his car. |
#9
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So if I get the connector I would just run the purple and white wire to one and connect it to the purple wire connector.
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#10
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You need purple and white (2) wires for the under seat harness. The white wire, for low speed, is a resistance cloth covered wire similar to the one that drops the voltage down to your coil. The purple wire, by itself, will work, but you will have high speed only.
I do have a bare double wire connector housing for the underseat harness.
__________________
Ed 1968 GTO (Thanks Mom) 2006 Silverado 2007 Cadillac SRX 2015 Chevy Express |
#11
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That looks like what I need I am trying to send you a picture of my connector if I can figure out how to send it to you hope the pictures went thru let me know and thanks.
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#12
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Just a suggestion. Try contacting M&H, Lectric Limited or American Aoutowire. They might have the exact heater harness you need.
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#13
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Will the connector you have fit into mine if not I will try m&h
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#14
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You will need a new harness for the defogger to work correctly. It should be similar to what I pictured above. Depending on what plugs are used with the new harness will determine what plug you will need at the switch end. But I'm willing to bet it will be like mine.
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Ed 1968 GTO (Thanks Mom) 2006 Silverado 2007 Cadillac SRX 2015 Chevy Express |
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