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nax
Samba Member
Joined: March 26, 2007
Posts: 229
Location: Valencia (Spain)
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 Posted: Fri Aug 27, 2021 5:51 am Post subject: Turn Signal Switch Issue |
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Hi all,
I need fresh eyes for this problem!
When I bought my 1963 beetle it came with a aftermarket steering wheel and Turn Signal Switch, After a time I decided to back to original. I found an oem Steering wheel and I purchased a repro turn signal.
Well...
When I install all in the car (wiring of the turn signal is ok), horn works ok but when I move it up it makes any contact and doesnt turns on the right light (left is Ok)... |
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15982
Location: North Florida, USA
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| Posted: Fri Aug 27, 2021 10:39 am Post subject: Re: Turn Signal Switch Issue |
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Your turn signal switch it made of three (3) wires:
INPUT (black/green/white)
Left OUTPUT (black/white)
Right OUTPUT (black/green)
With the turn signal switch installed in the steering column, disconnect all three wires making sure the loose ends are not touching metal (place wire ends on a rag). Using your multimeter/ohmmeter test each of the three wires for continuity to ground in all three switch positions. There should be no continuity (path) to ground.
Next, test there is continuity between the INPUT wire and each of the OUTPUT wires when the switch is in the respective L or R position. At the same time, confirm that there is no continuity when the switch is centered or in the opposite position.
If your switch passes these tests it means it is good. Look to the wiring. Disconnect the other two black/green and black/white wires from their 3-way junction. These are the wires that run to the corner lamps. Test the resistance to ground over each wire. With the corner bulbs installed there should be a resistance reading down each path. If the bulbs are the same wattage the readings should be very similar. If one path shows a very low or very high resistance it could be where your problem is.
Another way to test is to power each of the corner wires individually and confirm the corner lamps light up solid (no flashing) and all corners are the same brightness.
Report back your finding.
_________________
AshMan40
---------------------------
'67 Beetle #1 {project car that never made it to the road  }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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nax
Samba Member
Joined: March 26, 2007
Posts: 229
Location: Valencia (Spain)
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| Posted: Sun Sep 26, 2021 2:03 am Post subject: Re: Turn Signal Switch Issue |
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| ashman40 wrote: |
Your turn signal switch it made of three (3) wires:
INPUT (black/green/white)
Left OUTPUT (black/white)
Right OUTPUT (black/green)
With the turn signal switch installed in the steering column, disconnect all three wires making sure the loose ends are not touching metal (place wire ends on a rag). Using your multimeter/ohmmeter test each of the three wires for continuity to ground in all three switch positions. There should be no continuity (path) to ground.
Next, test there is continuity between the INPUT wire and each of the OUTPUT wires when the switch is in the respective L or R position. At the same time, confirm that there is no continuity when the switch is centered or in the opposite position.
If your switch passes these tests it means it is good. Look to the wiring. Disconnect the other two black/green and black/white wires from their 3-way junction. These are the wires that run to the corner lamps. Test the resistance to ground over each wire. With the corner bulbs installed there should be a resistance reading down each path. If the bulbs are the same wattage the readings should be very similar. If one path shows a very low or very high resistance it could be where your problem is.
Another way to test is to power each of the corner wires individually and confirm the corner lamps light up solid (no flashing) and all corners are the same brightness.
Report back your finding. |
Thank you very much for your help and sorry for the delay in my answer. After checking all that you told me, the problem seemed to be in the switch (was a repro), I purchased a original one ($$$$) and the problem is solved. Thanks again. |
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