The Portal Hub: All things Pinzgauer, Haflinger, Volvo 303 and more.

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 Turn Signal Light Coming On With Braking 
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Joined: Fri Aug 21, 2009 1:17 pm
Posts: 139
Location: Elizabethton,TN
Post Turn Signal Light Coming On With Braking
And another thing. Same trip as previous post, but I noticed that occasionally the turn signal light would come on for one blink during braking. I looked through the manual and it only mentions the brake light on the dash as a warning light, nothing about the turn signal light. Brake fluid is topped up and my knees were no where near the turn signal lever. Any ideas?

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John Cotner
1971 710M
1946 Willys CJ-2a
Elizabethton, TN


Wed Mar 08, 2017 1:22 pm
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Joined: Wed Apr 14, 2004 9:58 pm
Posts: 1392
Location: Idyllwild, CA
Post Re: Turn Signal Light Coming On With Braking
There are a lot of switch contacts and connections within the turn signal/four way flashers/brake light wiring. If the turn signal switch contacts get poor, or if the four-way switch contacts get poor, either can cause a problem. A "one blink" event means there is some sort of contact that changes after one blink. An iffy ground might also appear to do the same, but switch contacts are intended to be made and broken as the switch moves, so I would expect them to be more likely. The four-way switch is easy to open up and clean and grease, but first thing is to "work" the contacts several times and see if you get a change (for better or worse), this will help you to hone in on the problem.

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Jim M.
712W and 710M


Wed Mar 08, 2017 4:46 pm
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Joined: Fri Aug 21, 2009 1:17 pm
Posts: 139
Location: Elizabethton,TN
Post Re: Turn Signal Light Coming On With Braking
Thanks. I'll fiddle with it and see if things change. I'll also check grounds, since I went through some water and may also have some salt corrosion.

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Thanks,
John Cotner
1971 710M
1946 Willys CJ-2a
Elizabethton, TN


Wed Mar 08, 2017 8:12 pm
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Joined: Fri Aug 21, 2009 1:17 pm
Posts: 139
Location: Elizabethton,TN
Post Re: Turn Signal Light Coming On With Braking
I fiddled around a bit, and things seemed to have cleared up. But now the turn signal light blinks once every ten seconds or so just driving down the road.

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John Cotner
1971 710M
1946 Willys CJ-2a
Elizabethton, TN


Fri Mar 10, 2017 4:02 am
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Joined: Thu Jul 29, 2004 2:12 pm
Posts: 726
Location: Indio, California
Post Re: Turn Signal Light Coming On With Braking
Your turn signal switch could be junk. The switch out of a 1971 VW Bus works perfectly, Airhead Parts sells them, and even the color codes are the same.


Fri Mar 10, 2017 9:03 am
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Joined: Fri Aug 21, 2009 1:17 pm
Posts: 139
Location: Elizabethton,TN
Post Re: Turn Signal Light Coming On With Braking
Thanks for the tip. I was running out of ideas, so I'll try it out.

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John Cotner
1971 710M
1946 Willys CJ-2a
Elizabethton, TN


Fri Mar 10, 2017 4:06 pm
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Joined: Wed Jan 02, 2008 1:39 pm
Posts: 162
Location: NW Pa.
Post Re: Turn Signal Light Coming On With Braking
http://www.airheadparts.com/standard/se ... nal+switch

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1975 710M
2000 Ural Tourist


Sat Mar 11, 2017 9:12 am
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Joined: Thu Jul 29, 2004 2:12 pm
Posts: 726
Location: Indio, California
Post Re: Turn Signal Light Coming On With Braking
Here's the specific one I bought. It even cancels most of the time, unlike the previous one-

http://www.airheadparts.com/Switch-Turn ... 53-513%20G


Sat Mar 11, 2017 9:33 am
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Joined: Sun Dec 10, 2006 7:38 pm
Posts: 1244
Location: Southwest Wisconsin
Post Re: Turn Signal Light Coming On With Braking
I've used the repro VW unit from Airhead and it works nicely. More recently though I've used the Austrian version of the oem unit and found it to be a better quality for not much more money.
https://www.pinzgauer.com/showdetails.p ... 113860180/

However the wiring on it is intended for use with trucks that have had the red brake light conversion done. Most likely you've already done this?

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Paul C.
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'73 Swiss 710M
'72 Swiss 710M
'89 Puch 230GE


Sat Mar 11, 2017 1:22 pm
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Joined: Fri Aug 21, 2009 1:17 pm
Posts: 139
Location: Elizabethton,TN
Post Re: Turn Signal Light Coming On With Braking
Nope, stock tail lights.

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John Cotner
1971 710M
1946 Willys CJ-2a
Elizabethton, TN


Sun Mar 12, 2017 5:03 am
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Joined: Wed Jan 02, 2008 1:39 pm
Posts: 162
Location: NW Pa.
Post Re: Turn Signal Light Coming On With Braking
Stock rocks. So, those of us that refuse to convert, what switch do we use?

Sent from my A0001 using Tapatalk

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1975 710M
2000 Ural Tourist


Sun Mar 12, 2017 8:49 am
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Joined: Sun Dec 10, 2006 7:38 pm
Posts: 1244
Location: Southwest Wisconsin
Post Re: Turn Signal Light Coming On With Braking
I was referring to the brake light wiring modification, not the replacement of the stock tailights.

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Paul C.
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'73 Swiss 710M
'72 Swiss 710M
'89 Puch 230GE


Sun Mar 12, 2017 9:06 am
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Joined: Fri Aug 21, 2009 1:17 pm
Posts: 139
Location: Elizabethton,TN
Post Re: Turn Signal Light Coming On With Braking
Just to follow up, I replaced the flasher with the NAPA part, and it cleared up the turn signal indicator flashing intermittently and when braking. It also isolated the turn signal switch problem. The right turn detent is worn and won't maintain a signal. I'll replace with the VW unit. Thanks for all of your help.

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Thanks,
John Cotner
1971 710M
1946 Willys CJ-2a
Elizabethton, TN


Mon Mar 27, 2017 3:41 am
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