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72 240Z Turn Signals

Bambikiller240

By Bambikiller240
in Help Me !!

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Bambikiller240 GrandMaster Z

Bambikiller240

Posted
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Hi Z'ers: I'm in need of some advice. My 72 Z turn signals are acting weird. When I bought the car 18 months ago they all worked fine. Since then, first the left rear turn signal light stopped blinking when the switch was activated. Then is was both rears that wouldn't work. Now the only signal light to work is the right front.

However, when I turn the Emergency lights switch on.... ALL four corners will flash. This (I believe) tells me that the wiring to the signal lights is good at all four corners of the car. I have cleaned the contacts on the switch mounted on the steering collumn with no change to the situation. This switch assy is over $100 from Nissan & I dont want to buy it until I'm positive it will solve the problem. Oh, the indicator on the dash only comes on when the switch is activated for a right turn too. (though both R & L indicators do come on when EMERG lights are on). Is there any other part (a relay, or flasher) in the circuit that would or could cause this problem? Any help will be appreciated. TIA, Carl

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Jon, the BIG boy ApprentiZe

Jon, the BIG boy

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Hi Carl, I received this message in another forum.

<HTML>early z cars are notorious for turn signal switches that collect dirt.if your signals work normally when you push and hold the turn signal stalk then your switch is probably just dirty. contact cleaner at radio shack will fix it right up</HTML>

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Jon, the BIG boy ApprentiZe

Jon, the BIG boy

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Carl, Here is another reply I found re: turn signals...

<HTML> I have had problems with my turn signal switch and it exhibited similar problems to what you describe. Something to try is to remove the turn signal switch from the steering column, but leave the electrical connections connected. Then try positioning the switch and see if it works. In my case the lever would not move the switch far enough any more to activate the switch. There was considerable slop between the hole in the lever and the pin on the switch. What I did to fix it was to slip a piece of plastic tubing (of the correct size) over the pin on the switch which took up the slack. Actually, I think the "tubing" was a piece of stripped off wire insulation. It may not work, but it's cheap and worth a try.</HTML>

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Jon, the BIG boy ApprentiZe

Jon, the BIG boy

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Here's yet another reply....

HTML>sounds like this may be it, the flasher relay unit under the dash on the drivers side, its a silver plug in if I remember correctly. I remember once having a z that acted wierd when the relay was bad, it didnt merely stop working, but started to protest much like your car. I would also recommeding checking this first because it is easy to get to an cheap to replace, $10 - $12 or so new. Good luck and keep using those hand signals for the time being.</HTML>

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  • 1 month later...
billcapp ProfiZient

billcapp

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I too have this problem. In the beginning the turn signals would work sometimes and then not. Now they won't work at all. I suspect a bad ground because my brakelights had the same problem of not working...a friend came over and attached a new ground wire and fixed the problem. I can't do the same for the turn signals because I don't have a good readable schematic to find out which color is the ground to the signal circuit. Does anyone out there know?

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  • 11 months later...
billcapp ProfiZient

billcapp

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I was able to fix my problem with turn signals working intermittantly! I had put a new dash cover (don't you true restorers groan) over the original.. What had happened was the new dash cover was ever so slightly holding the emergency flasher switch lever off of the "OFF' position. This deactivated the signal switch. After removing the flasher switch from the dash mounting, the problem was solved...now the only problem is getting the flasher switch mounted back into the dash without the interference of the dash cover...seems the fit of the cover is not very good and trimming in the right places to make it fit flush with the original dash will be a tricky situation (appears slightly warped).

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