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greglepore's Avatar
 
Join Date: Mar 2003
Location: Charlottesville Va
Posts: 5,803
Highbeam/TS switch question

Just recently, my ts switch began to turn on the highbeams whenever the t/s cancels. PO had h4's with no relay (first thing I did was add one-a year ago, around the time I bought the car) but switch was ok for a year. Suspect the switch is toast, but was wondering if anyone has seen this and whether it could be a cheaper fix. The wheel, if it matters, is a momo with their adaptor using the stock "cancel ring".

It has the potential to really annoy drivers in front of me, no?

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Greg Lepore
85 Targa
05 Ducati 749s (wrecked, stupidly)
2000 K1200rs (gone, due to above)
05 ST3s (unfinished business)
Old 05-23-2004, 04:55 AM
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Re: Highbeam/TS switch question

Quote:
Originally posted by greglepore
. Suspect the switch is toast, but was wondering if anyone has seen this and whether it could be a cheaper fix.
personally I'd change the ts switch and light sw and then forget about it forever.. and as long as your in there I'd replace the elec part of the ignition sw if over 100k.
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Ronin LB
'77 911s 2.7
PMO E 8.5
SSI Monty
MSD JPI
w x6
Old 05-23-2004, 05:33 AM
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Same problem, same situation, same car (I'm assuming the '85 Targa...), - bad switch. You can usually get a used one for not too much money ($25-50). It's a quick cheap fix. Replaced it and have had no problems since then.

There's other threads on the same topic, try a search.
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85 Targa Wong Chip Fabspeed M&K Bilsteins and a bunch of other stuff.
Old 05-23-2004, 05:36 AM
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Join Date: Aug 2003
Location: Palo Alto, CA
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h/l switch

I had problems with the h/l part of the switch. I have an h4 installed but I am told this is not really the problem.

The electrical contacts get old or dirty and then have a higher resistance which causes them to heat up. The follower that bares on and separates the contacts is plastic. This is the part that heated up and failed for me.

I really thing dirt caused the problem for me.

I removed the switch and have fixed it using epoxy to build up the melted part. Because I had ordered a new part, I installed it anyways but now have a backup.

Good luck with yours
Old 05-23-2004, 06:01 AM
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Re: h/l switch

Quote:
Originally posted by tt_targa
The electrical contacts get old or dirty and then have a higher resistance which causes them to heat up. The follower that bares on and separates the contacts is plastic. This is the part that heated up and failed for me.

I
yep. this is the routine destruction caused by carrying to much current for its design.

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Ronin LB
'77 911s 2.7
PMO E 8.5
SSI Monty
MSD JPI
w x6
Old 05-23-2004, 09:40 AM
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