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davideric9 Samba Member
Joined: January 21, 2009 Posts: 1000 Location: Oakland CA
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Posted: Sun Dec 23, 2012 7:15 pm Post subject: |
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Oh no. I wiped off all the dielectric grease and used lithium instead. So what is wrong with lithium here? _________________ 1987 Syncro Westfalia, stock (bought 1994)
1986 Syncro Westfalia SVX, 3 knob (bought 2008)
1987 Westfalia (bought 2010)
1988 Wolfsburg GL (bought 2012) |
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randywebb Samba Member
Joined: February 15, 2005 Posts: 3815 Location: Greater Metropolitan Nimrod, Orygun
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Posted: Sat May 11, 2013 3:44 pm Post subject: |
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BTW - if you look on the LH side of the shifter, you will see the detents and can figure out which position the lever is in (w/o having the console to ID them attached).
This procedure ought to be in the Bentley but I dunno where...
I would not use lithium grease on elec. contacts. _________________ 1986 2.1L Westy 2wd Auto Trans. |
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blaze80 Samba Member
Joined: July 23, 2013 Posts: 150 Location: Farmville, VA
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Posted: Sat Nov 09, 2013 8:59 pm Post subject: |
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Can anyone please post pics of their connected wiring to the white part that the safety switch brushes against? Apparently the previous owner of our '90 Carat found that the neutral safety switch was broken, so took out the white plastic part, cut the thick red wires short and connected them to each other and I also seem to be missing a ground. I've compared to our non-running '89 Wolfsburg and there are different wires coming out of floor than on '90(which is why I think I'm missing wires on the '90). I will post pics tomorrow of both, but hope someone can help- I'm very frustrated with this mess. My mechanic added a toggle switch for reverse lights to get it through state inspection, which I've since learned is illegal. So I'm hoping to fix this right and correct the PO and mechanics hack-jobs. Thanks _________________ /// '89 Syncro Sport Joker, Reimo Hightop, mTDI
/// '90 Carat (SOLD)
/// '06 Audi A4 Avant S-line (SOLD)
/// '92 mk2 Jetta GL 8v (SOLD)
/// '89 'Bluestar' (SOLD)
/// '04 Audi S4 (SOLD)
/// '99 Jetta GLX VR6 (SOLD)
/// '84 Vanagon GL (SOLD) |
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Tobias Duncan Samba Member
Joined: January 15, 2013 Posts: 1390 Location: Taos NM
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Posted: Sat Jul 12, 2014 3:47 pm Post subject: |
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blaze80 wrote: |
Can anyone please post pics of their connected wiring to the white part that the safety switch brushes against? Apparently the previous owner of our '90 Carat found that the neutral safety switch was broken, so took out the white plastic part, cut the thick red wires short and connected them to each other and I also seem to be missing a ground. I've compared to our non-running '89 Wolfsburg and there are different wires coming out of floor than on '90(which is why I think I'm missing wires on the '90). I will post pics tomorrow of both, but hope someone can help- I'm very frustrated with this mess. My mechanic added a toggle switch for reverse lights to get it through state inspection, which I've since learned is illegal. So I'm hoping to fix this right and correct the PO and mechanics hack-jobs. Thanks |
I am in the same boat.
Are there anymore photos out there? |
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Tobias Duncan Samba Member
Joined: January 15, 2013 Posts: 1390 Location: Taos NM
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Posted: Sat Jul 12, 2014 4:08 pm Post subject: |
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This is what I am looking at. I think the thick red ones are the neutral safety and must go top and bottom in front.
Not sure which one goes on top.
Anyone been down this road?
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kamzcab86 Samba Moderator
Joined: July 26, 2008 Posts: 7915 Location: Arizona
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Posted: Sat Jul 12, 2014 4:36 pm Post subject: |
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I didn't take a close-up of mine when I replaced the switch, but:
The big, fat red/black wires go on the front, order doesn't matter; but for the shape of your wires the one without the plastic insulator goes on top, the other on bottom.
For the back wires, IIRC, the black/blue wire goes on top, black/white goes on bottom. The Bentley manual diagrams show which wire color goes to which pin (pins on the switch are labeled). Then, there is a set of wires (blue power and brown ground in my '90) that go the shifter light bulb(s).
The ground wire on the "hump" goes up into the dash somewhere... in my '90 anyway.
When I put it all back together and verified everything worked, I got my label maker out and labeled the wires for potential future endeavors. _________________ ~Kamz
1986 Cabriolet: www.Cabby-Info.com
1990 Vanagon Westfalia: Old Blue's Blog
2016 Golf GTI S
"Real knowledge is to know the extent of one's ignorance." - 孔子 |
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Tobias Duncan Samba Member
Joined: January 15, 2013 Posts: 1390 Location: Taos NM
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Posted: Sat Jul 12, 2014 5:49 pm Post subject: |
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Thanks Kamz. You gave me just enough info to work it out. You come through an awful lot lateley.
Here is a pic for the next person.
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RocketA Samba Member
Joined: March 29, 2011 Posts: 453
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Posted: Fri Aug 01, 2014 5:56 pm Post subject: |
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blaze80 wrote: |
Can anyone please post pics of their connected wiring to the white part that the safety switch brushes against? Apparently the previous owner of our '90 Carat found that the neutral safety switch was broken, so took out the white plastic part, cut the thick red wires short and connected them to each other and I also seem to be missing a ground. I've compared to our non-running '89 Wolfsburg and there are different wires coming out of floor than on '90(which is why I think I'm missing wires on the '90). I will post pics tomorrow of both, but hope someone can help- I'm very frustrated with this mess. My mechanic added a toggle switch for reverse lights to get it through state inspection, which I've since learned is illegal. So I'm hoping to fix this right and correct the PO and mechanics hack-jobs. Thanks |
My dude, on Sat Nov 09, 2013 you said you'd post pics tomorrow of your wiring situation but it's Friday Aug 01, 2014 and there ain't no pics. You have any? Because I'm in a wiring jam too!! |
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TheArmand Samba Member
Joined: May 11, 2016 Posts: 92 Location: Santa Monica
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Posted: Wed Jan 04, 2017 1:48 pm Post subject: Re: Automatic backup light / safety switch - a tutorial w/pics!! |
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Bumping this excellent thread. I went to install an AUX reverse light today and discovered my reverse lights don't work anymore.
After basic troubleshooting, I went to the neutral safety switch. I cleaned the contacts and made sure it was adjusted correctly, still wouldn't get anything.
How to Test Neutral Safety Switch for Reverse Light Function:
The two wires that connect on the back side of the switch are for the reverse lights. The one on top powers 12v to the switch, test this with the ignition on with a check light/meter. If power doesn't show up, make sure your fuse is good. If it is, good luck tracing that wire into the dash!
If power does show, you can jump the switch by placing a length of wire/paper clip between the two wires. The bottom wire with the plastic connector goes to your reverse lights. If your reverse lights work with these wires connected, your switch is bad. This was my case, even though the contact points looked good.
Vanagon: +$50
Me: -$50
Here is also a great video showing a new way (to me) to access these components, and refurbing your current pieces if purchasing new replacement are not within your budget. https://www.youtube.com/watch?v=3j5BZItWxTQ _________________ 1988 2.1 Vanagon GL - North American High Top - Custom P22 Inspired "Nahtfalia" Edition Camper |
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pablum Samba Member
Joined: December 17, 2015 Posts: 562
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Posted: Fri Jan 06, 2017 7:18 am Post subject: Re: Automatic backup light / safety switch - a tutorial w/pics!! |
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The new switch block + rubbing pad bind awfully when shifted back from drive to R,N,P.
I'm afraid I'll bend the delicate brass pad while forcing it back onto the block!
Anyone else have this problem?
Do you think tinning the surface with leaded solder would make it more slippery?
Dielectric grease alone isn't up to the job.
EDIT: after futzing about with it I could determine the fault was with the NEW switch block neutral contacts, which had a rather unfinished and abrupt edge rising far above the radiused edge of the block.
This causes (for me, at least) binding of the rubbing block when shifting up from drive into neutral.
My quick and dirty fix is to replace the NEW switch block with the OLD one, which is "nicely" worn. The original problem I had was the OLD rubbing block was worn completely through and had messy ragged edges at the contact areas.
The new one should be fine once I sand/radius/burnish the trailing edges to match the plastic of the block itself. _________________ The wise man learns from history, the fool from experience.
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I see [a cat] in the street and i aim for the pest with my car. -- bluebus86 |
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