 reverse light switch, high resistance and leaks, why? |
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| davesprinkle |
 Feb 5 2009, 01:52 PM
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Senior Member  Group: Members Posts: 720 Joined: 13-October 04 From: Berkeley, CA Member No.: 2,943 Region Association: None 
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OK, I'm now on my third reverse switch, with a consistent problem:
After a few hundred miles, the switch contacts become high-resistance (50 Ohms or so) and the switch leaks tranny fluid, filling up the wiring boot. By the way, the last two switches were brand-new Porsche replacements. I'm running Swepco 201, by the way. Anybody have any suggestions about what might be going on? |
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| jk76.914 |
May 3 2009, 07:01 PM
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Senior Member Group: Members Posts: 809 Joined: 12-April 05 From: Massachusetts Member No.: 3,925 Region Association: North East States |
The rubber diaphram is in the 33 year old switch. My new switch is on the transmission. My theory is that the new ones are getting over extended and rupturing the rubber. If you want to send me one of your failed ones, I'll x-ray it, and then cut it open and post pictures.
Let me know. Jim |
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Posts in this topic
davesprinkle reverse light switch Feb 5 2009, 01:52 PM
GeorgeRud I've never had one go bad on me, so it seems o... Feb 5 2009, 02:13 PM
davesprinkle
I've never had one go bad on me, so it seems ... Feb 6 2009, 12:07 PM ejm Maybe the actuating pin is little too long causing... Feb 6 2009, 05:34 AM Joe Ricard That's what I would guess.
As well as the meta... Feb 6 2009, 06:38 AM Drums66
That's what I would guess.
As well as the met... Feb 6 2009, 03:08 PM Dr Evil Did you ever remove the actuating pin? It may be i... Feb 6 2009, 08:53 AM davesprinkle
Did you ever remove the actuating pin? It may be ... Feb 6 2009, 12:10 PM Dr Evil
Did you ever remove the actuating pin? It may be... Feb 6 2009, 01:31 PM davesprinkle
[quote name='davesprinkle' post='1130912' date='F... Feb 6 2009, 01:35 PM kconway Vent is oposite side of the case top just before t... Feb 6 2009, 12:47 PM Demick I've had the reverse switch leak through the s... Feb 6 2009, 03:49 PM davesprinkle
I've had the reverse switch leak through the ... Feb 6 2009, 06:26 PM ejm
If you remove it make note of where the vent hol... Feb 6 2009, 05:32 PM astronomerdave
Pulled the switch and pin out of a box at the sho... Apr 9 2009, 03:07 AM astronomerdave :bump:
Does anyone know the position of the pin ... Apr 15 2009, 03:43 PM Maltese Falcon I've had 2 new ones go bad, all leaking at the... Feb 7 2009, 04:28 PM davesprinkle
I've had 2 new ones go bad, all leaking at th... Feb 7 2009, 07:40 PM ssstikircr I could just be a bad batch when those were made. ... Feb 7 2009, 05:43 PM kwales Seals,
We don;t need no stinking seals..
Probabl... Feb 7 2009, 05:48 PM Dr Evil Dave, I'll sell you a used one for cheap ;) PM... Feb 7 2009, 08:04 PM charliew I wonder if the same switch is on the type 1 vw tr... Apr 9 2009, 09:19 AM jk76.914 This is VERY timely.
Mine did the same thing. Sa... Apr 19 2009, 09:35 AM davesprinkle
This is VERY timely.
Mine did the same thing. S... Apr 19 2009, 10:23 AM astronomerdave
You should be careful when purchasing a new switc... Apr 19 2009, 01:05 PM perrin1097
OK, I'm now on my third reverse switch, with ... Apr 19 2009, 10:29 AM charliew Ok when things go to hell after you've been me... Apr 19 2009, 01:07 PM astronomerdave
Ok when things go to hell after you've been m... Apr 19 2009, 01:12 PM charliew I'm talking about the amount of shift movement... Apr 19 2009, 01:22 PM Cap'n Krusty
I'm talking about the amount of shift movemen... May 3 2009, 07:38 PM jk76.914 Well I installed my new switch from Pelican last w... May 3 2009, 05:16 PM astronomerdave
I was wondering why my original switch failed, so... May 4 2009, 08:35 AM Dr Evil Thats just plain cool! Well done :) May 3 2009, 06:20 PM davesprinkle Good work on this investigation, jk.
I'm surp... May 3 2009, 06:46 PM charliew Why not just put the tranny in reverse with the sw... May 3 2009, 07:25 PM jk76.914
Why not just put the tranny in reverse with the s... May 3 2009, 08:33 PM charliew You are correct in what you post about the more re... May 4 2009, 09:22 AM |
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