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Lighting - Main Beams Glow when Low Beams are On 200 1985

posted by  smith_t240 on  Sun Feb 5 07:15 CST 2006
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last visit: Tue Apr 24 02:21 CST 2007
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Hi all - its been a while:

Trying to fix up my new 1985 244Ti with the quad four rectangular headlight setup. The problem is that when the low beams only are on, the main beams "glow", along with the main beam indicator in the instrument cluster. The glow is hardly noticeable during the day but very noticeable at night. The main beams work fine.

Things I've done:

If I disconnect the connector from on of the low beams on either side, the main beams still glow but much less brightly. I figure this is because I am removing resistance in a parallel circuit, and adding more resistance.

I disconnected the R, R, and W-R wire connector from the headlight relay and the main beams continued to glow. When I turned the brights on, none of the headlights were on.

When I first turn the headlights on, the low beams come on right away, but the main beams take about two seconds before they start to glow.

I cleaned up the ground wire for the passenger side headlights and when I went over to clean up the ground for the driver side headlights, I noticed that two of the many wires grounded there have insulation cracking off of them.

Solutions:

Can the main beams draw current from a ground wire where they are cracked?

I'm not sure what else to check, but from what I've done so far, specifically disconnected the R, R and W-R wires from the relay, I think I've ruled out a bad relay and bad turn signal switch. Am I correct?

Thanks all!

Smith






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