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headlight and foglight issue

Posted: Wed Jan 26, 2011 11:13 pm
by van883
When my headlights are on, one foglight glows dimly..But when I turn the foglights on, both of them shine brightly!

What is going on? The car is new to me.

thanks

Van

Nottingham UK

Re: headlight and foglight issue

Posted: Wed Jan 26, 2011 11:48 pm
by tr7v8
van883 wrote:When my headlights are on, one foglight glows dimly..But when I turn the foglights on, both of them shine brightly!

What is going on? The car is new to me.

thanks

Van

Nottingham UK
Sounds like an earthing issue, some idea of Porsche model would assist!

Re: headlight and foglight issue

Posted: Thu Jan 27, 2011 6:59 am
by van883
Sorry-it is an 88 944 Turbo
tr7v8 wrote:
van883 wrote:When my headlights are on, one foglight glows dimly..But when I turn the foglights on, both of them shine brightly!

What is going on? The car is new to me.

thanks

Van

Nottingham UK
Sounds like an earthing issue, some idea of Porsche model would assist!

Re: headlight and foglight issue

Posted: Thu Jan 27, 2011 8:52 am
by tr7v8
Ah ha! There are two major earths on the 944 just inside of the headlights when you lift the bonnet that would be a good first shot. Also check all the bulbs are kosher, I've seen a blown bulb do really weird things.

Re: headlight and foglight issue

Posted: Mon Jan 31, 2011 12:15 pm
by tim4005
hi i have a 924s with a simalar prob. checked earths and lamps no joy
on advice changed dip switch(part of wipper stalk) and main switch still no joy!!
now looking to re-wire with new relays!!!
if you find out please let me know as i am now pulling my hair out and not got a lot of that left.
changed relays in fuse box and lift motor with no joy.
any help please
good luck
tim

Re: headlight and foglight issue

Posted: Wed Feb 02, 2011 6:01 pm
by tim4005
hi just fixed a similar prob on my 924s check out the post as have given discription of fault there
good luck