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Thread: '73 240z turn signal issue

  1. #1
    Gary Coopfan's Avatar
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    Default '73 240z turn signal issue

    Hi I'm not great at electrics and I am currently stumped. The turn signals on the LH side of the car only operate at the front, nothing at the rear. While the RH turn signals operate at the back with nothing at the front. The hazards work just fine with everything blinking all the way round. I was looking for pointers on how to proceed from anyone who's had a similar issue. Thanks
    Coopfan
    '73 240z

  2. #2
    HLS30A 17574 djwarner's Avatar
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    This almost certainly dirty contacts in the turn signal switch, rarely it is caused by the hazard switch contacts. Unfortunately, cleaning the contacts is not a job for the novice. It is very easy to break off the tabs holding the switch together and re-assembly has some tricks to it.

    I believe there is a forum member that will repair/re-condition the switch but I don't remember his name. Try searching turn signal switch repair.
    1971 240Z HLS30A 17574 L24-021025

  3. #3
    No more body roll! SteveJ's Avatar
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    Actually, I don't think it's that difficult. Instructions on cleaning the switch are here: Turn Signal Repair | Fiddling With Z Cars.

    For more details on the circuit itself, look here: Hazard Switch ? Brake Light ? Turn Signal Circuit Analysis | Fiddling With Z Cars

    Also don't forget to check the lamp sockets for corrosion.
    73 240Z
    74 260Z

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    Jim Arnett jfa.series1's Avatar
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    Quote Originally Posted by djwarner View Post
    I believe there is a forum member that will repair/re-condition the switch but I don't remember his name. Try searching turn signal switch repair.
    Dave Irwin is the go-to guy for refurbing turn signal and headlight combo switches. His e-mail is wolfin32z@yahoo.com. You won't be disappointed!

    Jim Arnett
    HLS30-15320 12/1970, original owner
    L24-020208 (original)
    IZCC Original Owner Registry #53

  5. #5
    Gary Coopfan's Avatar
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    Thanks for the inofrmation guys. I may look at doing the cleaning myself, it doesnt look too difficult.
    Coopfan
    '73 240z

  6. #6
    Fired Up! JLPurcell's Avatar
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    Quote Originally Posted by jfa.series1 View Post
    Dave Irwin is the go-to guy for refurbing turn signal and headlight combo switches. His e-mail is wolfin32z@yahoo.com. You won't be disappointed!
    Good to know, I have 3 or 4 used switches in my attic.
    jlp
    Jerry Purcell
    1970 HLS30 00029 Owner since 1976 Now owned by Les Canaday (Classic Datsun Motorsports)
    1972 HLS30 93606 IZCC Registion #105 Original owner back home after full restoration by Classic Datsun Motorsports

  7. #7
    No more body roll! SteveJ's Avatar
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    Quote Originally Posted by JLPurcell View Post
    Good to know, I have 3 or 4 used switches in my attic.
    jlp
    They are actually very easy to rebuild. I have done a few myself.
    73 240Z
    74 260Z

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  8. #8
    Gary Coopfan's Avatar
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    In the end I didnt need to even take it out. After removing the steering column shroud, I worked in some electrical contact cleaner and the problem is solved. I guess it wasn't too far gone to warrant disassembly. Thanks for pointing to it as the root cause of my issue. I was not looking forward to having to check the wiring for a short or a break.
    Coopfan
    '73 240z

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