Headlight problems

Submitted: Friday, May 15, 2009 at 13:37
ThreadID: 68854 Views:1663 Replies:3 FollowUps:1
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Hi all, I am having some headlight problems with my 91 hilux.

The high beams work properly when using the flash (pull back) but won't work when turned on (push forward). There are no blown fuses or visible problems with wiring or earths.

I have spotlights fitted. The relay for the spotlights is triggered by the left hand highbeam wire and a in-car switch.

I also noticed that when I remove a fuse for the headlights (there is one for left side and one for right side under the bonnet) the other headlight stays on (as expected) but the one with the fuse removed has a dull orange glow.

Any help would be greatly appreciated.
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Reply By: Member - Tour Boy ( Bundy QLD) - Friday, May 15, 2009 at 14:03

Friday, May 15, 2009 at 14:03
The dull orange glow thing is normal and makes it easy to diagnose a blown fuse. Pull the cover off the steering column and blow all the dust out of it and see if the contacts are dirty, some CO2 contact cleaner in aerosol may help just don't spray the plastic trims.
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AnswerID: 365039

Follow Up By: Rockape - Friday, May 15, 2009 at 16:20

Friday, May 15, 2009 at 16:20
CO contact cleaner won't worry plastic but electro clean will distroy certain plastics. The electroclean and the CO share the same coloured can.
Also if you spray the switch make sure the battery is disconnected,
if you get any spark before the CO has dried. BANG.

FollowupID: 632696

Reply By: Member - Stuart P (WA) - Saturday, May 16, 2009 at 20:44

Saturday, May 16, 2009 at 20:44
the main contact is dirty and needs retensioning, and cleaning
AnswerID: 365292

Reply By: mikeyandmary - Saturday, May 16, 2009 at 20:51

Saturday, May 16, 2009 at 20:51
All fixed... Pulled the combination switch apart and the contacts were covered in dull grey material. Filed this off lightly and problem solved...

Thanks for the advice...
AnswerID: 365293

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