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Headlamp Wiring

 
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Raize  



Joined: 18 Sep 2013
Posts: 83
Location: UK

PostPosted: Sat Dec 30, 2017 2:55 am    Post subject: Headlamp Wiring Reply with quote

Sorry for asking this kind of question but I'm so busy I don't really have time to take my car to bits and find out.

What route do the wires for the passenger side headlamp take? I've got an intermittent passenger side dip beam and there's no voltage from the wire. I think there's a break/short/fray somewhere but I'm not sure the routing of the cable.

... And no, it's not the fuse or the relay. They're both fine.
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3forall  



Joined: 29 May 2015
Posts: 17
Location: Canada

PostPosted: Sat Dec 30, 2017 9:34 am    Post subject: Reply with quote

They cross over to the drivers side by routing under the "nose" of the car, behind the bumper and up near the badge panel. They join with the driver side headlight wires and together go to the wiring harness which runs along the drivers side frame rail and through the firewall to the relay board.
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1981 924 Weissach edition
1982 931 - Megasquirt and liquid intercooler
1969 911
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gerben1986  



Joined: 13 Mar 2008
Posts: 216
Location: The Netherlands

PostPosted: Sun Dec 31, 2017 5:04 am    Post subject: Reply with quote

3forall wrote:
They cross over to the drivers side by routing under the "nose" of the car, behind the bumper and up near the badge panel. They join with the driver side headlight wires and together go to the wiring harness which runs along the drivers side frame rail and through the firewall to the relay board.

Be aware that in the UK the "driverside" is the passengerside in Canada
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CÚdric  



Joined: 27 Aug 2004
Posts: 1718
Location: Sweden

PostPosted: Sun Dec 31, 2017 6:30 am    Post subject: Reply with quote

...wrong thread..
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┤80 924 Turbo
http://www.garaget.org/?car=160275


Last edited by CÚdric on Sun Dec 31, 2017 5:59 pm; edited 1 time in total
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1551
Location: Somerset, UK

PostPosted: Sun Dec 31, 2017 7:15 am    Post subject: Re: Headlamp Wiring Reply with quote

Raize wrote:
Sorry for asking this kind of question but I'm so busy I don't really have time to take my car to bits and find out.

What route do the wires for the passenger side headlamp take? I've got an intermittent passenger side dip beam and there's no voltage from the wire. I think there's a break/short/fray somewhere but I'm not sure the routing of the cable.

... And no, it's not the fuse or the relay. They're both fine.


My bet is the white connector block at the back of the fusebox. How solid is your battery tray from corrosion and/or water ingress? Unlikely (but not impossible) to be broken between the connector and the lamp, its embedded within a larger amount of wires. Once out the fuse box the wire goes directly through the firewall and along the chassis rail to the lamp. Just before the lamp there is a spade junction 'box' where the joints can corrode. It will be hanging out the lamp or hidden just inside. Just tug the wires a little and it will pop out. Other check is the earths above the fusebox and below the lamp.
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1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
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