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procyon
Joined: 09 Sep 2015 Posts: 70 Location: Peers Alberta Canada
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Posted: Tue Sep 18, 2018 11:15 pm Post subject: rear window defogger |
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Anybody know where the physical electrical ground location is for the rear window defogger? The electrical diagrams say it is on current track #9 but does not give a ground location. _________________ 1981 924 N/A (Now the parts car)
1980 924 N/A ( 5 bolt discs and better paint) MS II V3.57
2003 Subaru Baja
2021 Maxda CX-30 |
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Ozzie
Joined: 12 Mar 2005 Posts: 4448 Location: Townsville, Qld. Australia
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Posted: Wed Sep 19, 2018 6:10 am Post subject: |
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it is grounded through the hatch strut
it must have metal ends _________________ Porsche 924 1984 (UK import) NA
Its AUTO and its BLACK
Montego Black on black/red
Engineer of Electro/Mechanical Systems Maintenance |
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procyon
Joined: 09 Sep 2015 Posts: 70 Location: Peers Alberta Canada
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Posted: Wed Sep 19, 2018 10:33 am Post subject: |
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Yes I understand that part, there are two wires. One supplies 12V and the other must go to ground somewhere. Neither of the two wires is connected to ground.
Where is the ground point for current track #9 located? _________________ 1981 924 N/A (Now the parts car)
1980 924 N/A ( 5 bolt discs and better paint) MS II V3.57
2003 Subaru Baja
2021 Maxda CX-30 |
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Ozzie
Joined: 12 Mar 2005 Posts: 4448 Location: Townsville, Qld. Australia
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Posted: Thu Sep 20, 2018 7:40 am Post subject: |
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One wire is a switched wire for interior light. The strut is the earth.
One side has plastic end (12v for defogger) is connected to strut and supplies power to defog. The other end is the earthing strut (#9)and also has a sliding switch which turns on the interior light when hatch is raised.
The defogger earths through the strut to the body. There is no earth wire #9
The wire on that end is for the light (#34?) _________________ Porsche 924 1984 (UK import) NA
Its AUTO and its BLACK
Montego Black on black/red
Engineer of Electro/Mechanical Systems Maintenance |
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procyon
Joined: 09 Sep 2015 Posts: 70 Location: Peers Alberta Canada
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Posted: Thu Sep 20, 2018 10:33 pm Post subject: |
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Thanks for the help. It makes sense now and things are working as they should. Raising the rear haych now turns on the light in the back and the cabin light in the passenher compartment. That was unexpected. _________________ 1981 924 N/A (Now the parts car)
1980 924 N/A ( 5 bolt discs and better paint) MS II V3.57
2003 Subaru Baja
2021 Maxda CX-30 |
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