Electrical
Anything about the electrical system on a Zcar.
3,445 topics in this forum
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I hope to make this a Sticky (Mike!!) I want to Document every S30 style combo and Turn Signal Switch. I need every one to see what is already posted and add to this Thread if you don't see your style of switches. With any luck, anyone can pick up a switch out of a box of parts and be able to cross reference it here and know exactly what they have. I am now in possesion of over 80+ switches that I would like to start rebuilding for people and customers. Only problem is that there are so many styles that I am not totally sure of what is what. So PLEASE remove 4 screws from the steering column cover, take off the top and bottom covers and......... Take a picture of....…
Last reply by HusseinHolland, -
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Can anyone recommend a turn signal rebuilding service? I would try it myself since there is lots of information here, but I am limited to one hand for the next 8-10 mths due to surgery.
Last reply by GregP, -
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Can anyone identify what this is and the purpose? 1973 240z-See photos. It's attached to the console under the dash near gas pedal. It has three prongs out the back. There is a three prong plug that may go to it, as it's just sitting there unattached for at least ten yrs. Wires are 2 black and one green. There was a dealer installed Ac that was removed and an aftermarket radio that PO had installed and butchered the wires. I have been slowly fixing them.
Last reply by GregP, -
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Thinking of getting the RetroSound RetroRadio M2B. Is anyone using one now and what is the opinion on it? I believe the last posts about this were 2010 & 2017 with faceplate issues. Looks like they make a universal one now. Link here- https://www.retromanufacturing.com/collections/vehicle-search/1973+datsun+240z+radios
Last reply by GregP, -
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- 285 views
Hey all! My 77 280z alternator and/or regulator have decided to go to Valhalla. I have a 280zx parts car with a good alternator so want to upgrade to the zx alternator which is internally regulated and delete the original external regulator. I've read all the DIY posts (which are all really well written) and am a little bit stuck. I'm seeing conflicting info on two of the best sites and wondering which is correct. I'm attaching pics from each site and pics of my connector in two configurations. Which is correct? I chopped off the regulator plug to keep keep the car-side harness intact so the colors don't necessarily jive (I think I had an aftermarket regula…
Last reply by sboy79, -
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I've poked around looking for a wiring diagram for the early cars (1970) and haven't come up with anything really good. I've turned up five diagrams so far, and they all are questionable in accuracy. This is clipped from a 1970 owners manual: This is another version, supposedly from the owners manual: This is clipped from a 1970 Factory Service Manual - Body Electrical section: And here are two versions clipped from the Service Manual Supplement, which I believe came out for the 1971 model year:
Last reply by Captain Obvious, -
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I noticed a burnt wire on my voltage regulator. Can I just clean it up and tape it or would it be best to track down a replacement or investigate a cause of the melted insulation? They are $84 at Rock Auto. The braided hoses in the background are to my oil cooler in case you are wondering.
Last reply by Dave WM, -
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I have not been able to get spark and have now figured out the black white wire that goes to coil + gets .15v yes .15v when key is on start. It’s a points dizzy. New coil. Points set. Green white to ballast 12v on start. Bw to other side of ballast 12v on run. Is the problem coil wire running through the tach and running into a problem there???
Last reply by Patcon, -
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When I did the restoration on my 73 240Z I purchased a Pertronix ignition to replace the points system. I had problems with it at the time, so I decided to go back to the points system temporarily until I got everything lined out. Got the car up and running late last year and everything seem fine. After setting all winter with only occasional starts, I started having starting problems. To make a long story short (after much frustration) I decided to try to go back and install the Pertronix system. I wanted to be sure it was functioning properly before injecting another problem into my already frustrating situation. So, I called Pertronix to see if there was any way t…
Last reply by Captain Obvious, -
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Someone has recently chaged the online parts catalog and not necessarily in a good way. Back in 1999 I purchased a hard copy of the factory parts catalog that someone had made from the Nissan fiches for the 1970-73 240Z's. This was long before we had these resources available online. Here is my scan of page 25-1 covering the combo switches and the online catalog had the same P/N's and effective dates until recently: The switch for the 1972 car was P/N 25160-E8800, effective dates 09/71 - 06/72. It's my understanding that the 1973 model introduced the 3-speed (intermittant) wiper control, P/N 25160-N3300, dates 07/72 - 07/73 This is what the online cat…
Last reply by CanTechZ, -
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Just wondering if there could be an easy diagnosis for my wipers being on all the time that the key is in the ON position...? Any insight is greatly appreciated...Ryals
Last reply by dutchzcarguy, -
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The low and hi headlights do work on my 72 240z however the blue light in my speedo is not working. Should i attempt to remove the speedo to change such blue led or should i check anything before? I already pulled both turn signal and combo switches cleaned all there connectors and still no blue light.
Last reply by dutchzcarguy,
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