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Old November 12th, 2010, 03:07 PM
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Jiman Khosravan
'94 D90
Join Date: May 2010
Location: Rockville, MD, USA
Posts: 138
Unhappy headlights out... where to look


Another day, another problem it seems... but it's ok.. soon all the bugs will be gone...i hope!

This problem just happened 2 days ago...

The headlight switch has 3 positions... !) OFF, 2) parking and 3) headlight+parking.

1) OFF works
2) Parking works
3) it becomes all OFF again

I opened the casing around the steering column, pulled the cable out from the switch and disconnected it.
I put a voltmeter to the switch and tested the switch and I get voltage across position 2 & 3, so the switch is good.

So I need to somehow go down the wiring. Anyone know where the next "junction" to troubleshoot is?

Or any ideas on where to look?


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Old November 12th, 2010, 03:14 PM
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Gren Thomas
1985 90 300tdi auto
Join Date: Feb 2005
Location: bridgend, wales , UK
Posts: 413
I assume you have tried the fuse for the main & full beam as they are on a separate fuse from the side(parking) lights, or the headlamp relay.

I have seen the switch go short cct and blow the headlamp fuses.

have fun..
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Old November 12th, 2010, 03:19 PM
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Daniel Marcello
Alloy+Grit Creative Director
Join Date: Aug 2005
Location: Queens, NY
Posts: 2,816
Pull the switch out and look at the 3 copper connections inside. your 3rd copper hit point might be burned out. Its a common problem. Happen on mine 4 years ago. You can buy a new one or fix the connection.

Edit: oops! just read that you tested voltage across position 2 & 3 and it was good.
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Old November 12th, 2010, 03:20 PM
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I have never seen a rover in person
Join Date: Oct 2003
Location: on the internet
Posts: 14,688
Switch is hosed. Under the high load of the lights they go bad.

Only other possibilities are the fuse or having both go out at once (my LWB did this and I was like WTF for a good hour until I figured it out the "Ron good" way ie replace parts until it works again).

*not legal advice*
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Old November 12th, 2010, 03:35 PM
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Daniel Chapman
1999 D1
Join Date: May 2004
Location: VA
Posts: 759
Does the inside of your switch look like this?
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Old November 12th, 2010, 03:55 PM
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David Short
1980 Stage One 109
Join Date: Jun 2006
Location: Sterling, VA
Posts: 1,004
My Series had this problem. It was the hi-low beam switch that went out. I am not sure this applies to the Defender class trucks.
1980 Stage One 109
Sterling, VA
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Old November 12th, 2010, 06:34 PM
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Craig Dickson
1995 D90 Red Soft top
Join Date: Sep 2003
Location: Weaverville, NC
Posts: 469
I would buy a new switch after looking at the fuse first of course. Mine did the same thing and the switch looked good but had melted just enough to not make contact when the switch was moved to the 3rd position.
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