87 turbo a/t, turn signals not working.

A home for 1983–1989 300ZX owners!
SK8ERSQUREL
Posts: 30
Joined: Tue Dec 10, 2019 1:57 pm
Car: 1987 300zx Turbo

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:wtf2: so as it states, my turn signals arent working. I just got the car running after sitting for 5 years, and my hazard switch and running lights work, so I know all 4 bulbs are good. When I engage the signal on the steering column everything feels as it should, but no relay click or lights on the dash and they domt come on. Although the indicators for the hazards dont show up on the dash you hlcan hear them clicking and see them flashing, just nothing for the turn signals. Any ideas?


schoolingthree
Posts: 14
Joined: Fri Oct 25, 2019 7:49 am
Car: 1987 300zx base ttop

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do the lights come on but just do not flash? if so it may be the flasher try swapping the hazard flasher for the signal flasher to see if that changes anything .

SK8ERSQUREL
Posts: 30
Joined: Tue Dec 10, 2019 1:57 pm
Car: 1987 300zx Turbo

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So come to find out my turn and hazards do work, but none on the indicators on the dash do same with all but 2 of the instruments, so wouldnt that just be issues with my analog dash?

schoolingthree
Posts: 14
Joined: Fri Oct 25, 2019 7:49 am
Car: 1987 300zx base ttop

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i had a old tbird where the turn indicators on the instrument cluster did not work turned out the dash cluster was not grounded. work fine after i ran a new ground wire

SK8ERSQUREL
Posts: 30
Joined: Tue Dec 10, 2019 1:57 pm
Car: 1987 300zx Turbo

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Appreciate the quick feedback, I'll start tearing the dash apart soon take a look for one

SK8ERSQUREL
Posts: 30
Joined: Tue Dec 10, 2019 1:57 pm
Car: 1987 300zx Turbo

Post

After looking in the FSM, I checked for the ground wire in by the passenger door and was squeaky clean. Fuses checked out, and swapping the ignition relay caused no change. Short of replacing the dash idk where to move on from here

SK8ERSQUREL
Posts: 30
Joined: Tue Dec 10, 2019 1:57 pm
Car: 1987 300zx Turbo

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I realized they do work after all, just no indicators on the dash at all. No clicks except when positioned specifically. So I'll be yeeting out the column switches and sash to look at why my instruments arent working

BadQ45t
Posts: 3255
Joined: Fri Jul 26, 2002 7:54 am
Car: '21 Nissan Leaf SL Plus (wife's car)
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'84 Nissan 300ZX (Original Owner)
'16 Mercedes Benz S550e V8 Power & 35 MPG
Location: Half Moon Bay, CA

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That switch can create lots of weird problems, if your using original light switch combo that is probably bad, I am on #3 on my 84'

SK8ERSQUREL
Posts: 30
Joined: Tue Dec 10, 2019 1:57 pm
Car: 1987 300zx Turbo

Post

Yeah, as far as I can tell it is. I'm going to be going through all those connectors and column switches and cleaning them out, after i do my intake and solve my overheating issues, I would like to fix my gauges. I noticed I'm missing my boost sensor and heard it can mess up my tach. Is that plausible?


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