Electrical
Anything about the electrical system on a Zcar.
3,450 topics in this forum
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I have a 1972 z that sat in my garage for 25 years. ( I know! Why?) Last year I got it running and driving. The problem I developed with my gauges was that when power was first applied at startup, the fuel gauge would respond then slowly drop back to E. I could not find anything wrong with the sending units. After taking apart the gauges I found that there was a poor connection between the tiny wires that heat up and make the gauges register and the studs that connect to those wires. The easy fix was to clean the contact points between the stud and the tiny wires, then soldered them together. Hope this is helpful anyone with similar problems. I soldered the fuel, oil and…
Last reply by Phil Z, -
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First off I searched and couldn't find this exact situation. I did the swap from the old 40A/ext. reg. and it was very easy but now I have no battery charge. Of course I never bothered checking the charge state with the old alt/reg installed. I used the diode plug for the old regulator wiring that MSA sells and followed the instructions for the install of the new alternator. The alternator is a rebuilt 1982 ZX unit from Advance Auto. I also replaced the frayed fusable link for the wire from the harness to the starter/battery so that's good. All tests were while the car is running. 11.8v across the battery. …
Last reply by SurferD, -
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I need help. I am working on all of the little things that do not work on my 1972 Z (production date 7/72). My seat belt warning light is not working.I have multiple wiring schematics but none of them show the wiring for the seat belt warning light with the retractable seat belts with the pressure switch in the passenger seat. In my testing last night I have found that the circuit is open on the seat belts when they are in the retracted position and go closed when the seat belt is pulled out. The passenger seat switch is normal open closed when pressure is applied. Anyone have a working diagram of the wiring? Any help would be appreciated. Thanks JLP
Last reply by Mark Maras, -
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I ordered the wrong distributor cap! the one I have now is for a 1977 280z and the distributor cap needed is for a 1980 280zx distributor. the 280z fits fine tight no wobble and ignition timing has not changed . does anybody know the difference between the 2 cap as they have different part #s. was ordering plugs for the 1977 and did not change the year for the distributor cap and rotor.
Last reply by sweatybetty, -
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All, 78 280z, EFI. There is a relay that is under the glove box, right next to the vent pull knob. I dont know what is for, but it clicks when i turn the steering wheel. It only clicks when the steering wheel is at a certain position. If i go full lock either way it does not do it. Does anyone know what that relay might be and why it would click when i turn the steering wheel? Thanks,
Last reply by Captain Obvious, -
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Hello, the tachometer on my 78 260z has a 3k limit and picks up rather slowly. I'm running a ps92 coil. Are they supposed to work with this setup? I'm not familiar with the wiring but I know I have a wire doubled up on the positive of the coil and the installation instructions for the xr700 show tachs coming off the negative. I'm not sure if the tach worked before i installed the xr700 unfortunately. many thanks.
Last reply by maton_acoustic, -
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Has anyone located a source for a replacement switch for the engine bay service light? I have two R&R's in work but one has a broken toggle. Thanks for any leads or tips.
Last reply by Zup, -
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when I remove the e12-80 and wire the pickup direct to the msd 6al what do people use to close up the hole in the side of the dissy thanks kully
Last reply by kully 560, -
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I took it apart and realized that it used to be the hazard switch. Then I found a hazard switch spare that I've gotten from a 78z but that wouldn't fix my problem. . So this wire is a direct shot from the battery.which is interesting. that's what it used to look like. Any ideas on where to go from here. I tried to install the other switch that I had my taking the jimmy rigged one out and putting a used one that's intact but that wouldn't solve the problem. . this old one has a blue wire but none of the hazard switches I have, have this blue wire but have the rest of them Sent from my iPad using Classic Zcar Club mobile
Last reply by SeKcGamer, -
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I've had my '71 for a couple of weeks now, and I put a battery in it for the first time in a long time, The car sat for at least 10 years. I wanted to go through and see what worked and what didn't. I did open up and clean out the headlight combo switch. Parking and headlights, dash lights, brake lights, and hazards work. As does the starter, blower motor and horn. That's the good. No wipers, but the relay does click. The windshield washer is also non-op, but I can hear it trying when I press the button. I'm less worried about these items, since I haven't started diagnosing them. The brake lights turn themselves off, individually, when I use the turn signal…
Last reply by ByStickel, -
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Has anyone had success with a tach amp and their stock tachometer? I have a '76 280z with an Electromotive XDi2 ignition. I ran the electromotive tach amp and my tach drops about below 1200 rpm and above 4000 rpm. Has anyone had success getting past this problem? This is an electronic issue with the amp confirmed by the electromotive technical rep not a loose wire problem.
Last reply by Dreamzz, -
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http://www.ebay.com/itm/Rare-JDM-Option-Nissan-Digital-Taco-Suit-B13-N14-S13-240z-510-P10-210-Dash-/302270529809?hash=item4660ba4111:g:W2IAAOSwXYtY4Dv4&vxp=mtr
Last reply by Mark Maras,
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