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09 C30 1.6D Headlight conundrum.

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moorlander
Posts: 10
Joined: 10 Aug 2010, 11:51
Year and Model: 850 SE 1994 with LPG
Location: UK

Post by moorlander »

Evening all, newbie here so please go easy. My C30 needs an MOT. Failed on dipped headlight. Turns out the headlight has a crack in it water has entered the unit and the connector between the harness and unit has corroded. I've cleaned it up, but I can't get power to dipped beam.
I'm thinking of bypassing the connector block, but I can't figure out which wire is dipped beam on the harness side. Can anyone help with that, or an alternative solution?
Many thanks.😊
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MoVolvos
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Post by MoVolvos »

moorlander wrote: 14 Nov 2022, 12:07 Evening all, newbie here so please go easy. My C30 needs an MOT. Failed on dipped headlight. Turns out the headlight has a crack in it water has entered the unit and the connector between the harness and unit has corroded. I've cleaned it up, but I can't get power to dipped beam.
I'm thinking of bypassing the connector block, but I can't figure out which wire is dipped beam on the harness side. Can anyone help with that, or an alternative solution?
Many thanks.😊
.
What is dipped headlight?
.
Blessings,

BKM


2008 C30 T5 2.0 M66
2007 S60 2.5T - New Project
2003 S80 T6 Transmission DIED
2000 S70 SE Base - New Project
1998 S70 T5 Prior
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moorlander
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Joined: 10 Aug 2010, 11:51
Year and Model: 850 SE 1994 with LPG
Location: UK

Post by moorlander »

Dipped headlight in the UK refers to not main beam or in the case of Volvo, Day time running light.
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RickHaleParker
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Post by RickHaleParker »

MoVolvos wrote: 14 Nov 2022, 22:13 What is dipped headlight?
What we call low beams ... they are dipped down to keep from blinding on coming traffic.

dip verb (drop) to go down to a lower level:

The difference between low and high beams is the angle not the intensity.

UK: To make the beam from the lights at the front of a vehicle point down:
You'll dazzle oncoming drivers if you don't dip your headlights.
Last edited by RickHaleParker on 16 Nov 2022, 05:06, edited 1 time in total.
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RickHaleParker
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Post by RickHaleParker »

moorlander wrote: 14 Nov 2022, 12:07 I'm thinking of bypassing the connector block, but I can't figure out which wire is dipped beam on the harness side. Can anyone help with that, or an alternative solution?
Electrical Wiring Diagrams are online. Back trace until you find the fault then fix it.
Active
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2017 Ford PIU. 3.5l, Twin Turbo, 365 Hp.
............................
Past
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. ( Killed by a plastic radiator. )
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion ( I moved, the project did not )
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0. ( Transmission dead after sitting for a winter )
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