Electrical
Anything about the electrical system on a Zcar.
3,435 topics in this forum
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i need a replacement water temp switch for my 1976, but unfortunately nissan doesn't make them anymore and i can't find any third party suppliers. i noticed that MSA sells a water temp switch for a '74 that looks very similar to mine, albeit with different connectors on the wires. has anyone ever used one of these to replace the switch in a 280? do the threads even match? being that one is from a fuel injected vehicle and the other is not, would they function the same? here are photos of a 1976 switch and the MSA switch:
Last reply by Captain Obvious, -
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- 8 replies
- 3.7k views
I was giving my distributor a once over while I had it out of the car for my oil pump replacement, and while it was laying on the bench, I figured I would hook it up to a scope while I give it a spin with a screwdriver bit in my drill. Just to see what would happen. No real conclusions, but thought someone might like to see the pics. This is a manual trans 77 USA market distributor, but I suspect the waveforms for the pickups would basically be the same for all of the non-points distributors starting in 74. Here's my fancy test set-up: And here is the corresponding waveform. Important to note that the steep falling edge of the waveform is where the point on the reluc…
Last reply by Captain Obvious, -
- 1 reply
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Hi All: Well, I'm massively confused. I've been reading a bunch of past posts and just can't quite seem to put the parts together. Reader's Digest version: '78 280Z, MSD 6A ignition, Holley 4bbl swap (all FI removed). Car runs just fine. Tach don't work. I used the magnetic pick-up trigger for the MSD (green/purple wires to distributor) and not the white wire. I still know which wire used to run from the old coil(?) to the tach (blue wire that runs to the in-line resistor). Q1) Am I correct in understanding that the tach on a '78 280Z is voltage driven? Q2) Is the basic problem that there isn't enough voltage from the MSD 6A to drive the coil and the tach? Q3) Should…
Last reply by cbuczesk, -
- 3 replies
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I know the antenna mast has been covered in many threads but I have a question that is probably to simple to mention and I do not want to get it wrong because these things are irreplaceable. I want to know what stops the aerial mast when it is in the fully extended or retracted position. The end is connected to the drum using a splitpin, if the winder keeps going then would the plastic cord not snap or is it strong enough to stop the drum from turning? Like most people my mast has snapped some time back on my 1970 240z. I pulled it from the car to replace the mast with an exact NOS replacement (on Ebay about 5 years ago if your wondering). The motor in the antenna is pr…
Last reply by Webmanic70, -
- 4 replies
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I have a 72 240z, my temp gauge decided to stop working today, where is it located? I cannot find it in my fsm. thank you
Last reply by kenmataya, -
- 1 reply
- 2.1k views
My dash wiring harness in my 01/1971 240z is shot, where could I find a replacement or if I need to modify a universal harness what should I get?
Last reply by d240zx2, -
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- 1.1k views
Hi, Anyone, replace the OEM tach with a white faced after market unit? If so, who's did you use? Thanks
Last reply by RedBird64, -
- 0 replies
- 1.3k views
A friend on the west coast picked up a set of gauges out of a 2+2 280z, I believe a '78, and before sending them out to me, I was wondering if there is a quick way to test them (and thus make it worthwhile to ship). After searching the forum, I found that you can do a quick test on the oil pressure/voltage gauge by using a 9V battery (if the needles rise, they are most likely good), but I just wanted to ask before sending any potentially risky voltage through the other gauges. Thanks in advance for any help on this!
Last reply by johnny haywire, -
- 12 replies
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1973 Datsun 240z Brand new coil and checked the spark plugs they are in good condition. Checked the distributor looks good and new fuel pump and filter. Not sure what to do it turns over but will not fire up what should I do?
Last reply by Wade Nelson, -
- 1 reply
- 1.2k views
I have a feeling a connection or wire between relay and fuel pump is fried or corroded as there is no continuity/power to the wires, but the relay works. Is this a common problem? Where can I find wiring after it goes in the relay connectors
Last reply by 63ronin, -
- 0 replies
- 1k views
I am in need of a 1978 280z ignition relay. I have been searching for two weeks and can't come up with where to find one. They seem to be discontinued? If anyone has one for sale, or knows where to find said relay, please let me know.
Last reply by hester_prynne, -
- 4 replies
- 1.2k views
I try and start it and it turns over but will not ignite. I have checked the coil no sign of damage and battery is new along with the fuel pump and fuel filter. The spark plugs are in good condition as well. The only thing I can think of is there are a few clipped wires near the distributor cap that the previous owner cut and I do not know where they go and not sure if it would make a difference. Any suggestions??
Last reply by branham76,
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