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        General >> How to do things! >> Fog lamp indicator
        
(Message started by: mikeb on Apr 3^rd, 2010, 12:41pm)

Title: Fog lamp indicator
Post by mikeb on Apr 3^rd, 2010, 12:41pm

Hi All,
A condition of the MOT is to have the small indicator lamp on the light switch bezel illuminate when the fog lamps are switched on. Mine has worked intermittently over the years and was OK when switched on initially but went out a short time after. I suppose on test, if it works as soon as switched on, it passes. On recently checking, the fog lamps lit but the indicator didn't. Unusually, I couldn't find anything on this amazing site specific to the replacement of this indicator light.
I removed the bezel and unplugged following instructions as shown on http://www.fordscorpio.co.uk/manual/electrical/intbasic/Switch-Light.pdf the backplate is held on with 2 Philips type screws, removing these exposes the circuit board and the LED mounted in a small black rubber housing. No de-soldering is required as this unit simply pulls of from two pins and can then be stripped down by straightening the wires exposing the LED and a plastic housing which supports an guides the anode+ and shorter cathode- wires. I bought a LED from Maplins reference YY38 Yellow The rubber housing has a small raised section to identify the polarity. I reassembled, bent and trimmed the wires and refitted the plug back on to the pins, the polarity+ is identified on the circuit board. The indicator now works. I hope this will help others.

Title: Re: Fog lamp indicator
Post by Tompion on Apr 3^rd, 2010, 1:25pm

Useful to know, just had a look at an old switch - pity all led’s don’t come out so easily.

Dave