Electrical
Anything about the electrical system on a Zcar.
3,450 topics in this forum
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- 13 replies
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I will start off with the following disclaimers: • I know next to nothing about how tachometers are supposed to work or be wired up. • I have read a few threads on here about tachometers. I have learned a few things, but also reinforced the awareness that I don't know much. • I have not yet found answers to my questions... The basics: Bought a 1971 Z from a couple of dopes who knew nothing about the car. I am going through it trying to learn about it and fix things as I go. The car still has points in it, although it also has a pertonix flamethrower coil. The tachometer needle was off the pin, sitting in the bottom of the gauge. For this reason I never knew if t…
Last reply by 71Ugarte, -
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- 19 replies
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This is a pic of the relay bracket from a 77 Z. There are mounting holes for relays that my car does not have. Does anyone know what the relays are that screw to this side? What are the functions of the two relays that screw to those four mounting holes on the side that faces forward toward the headlights: And for posterity, here are the other three sides. This is the side that faces the engine. The four screws attach the two fusible link blocks: Here's the side that faces the battery. The relay in the pic (I believe) is for the air conditioning compressor: And here's the side where the voltage regulator would mount:
Last reply by Captain Obvious, -
- 6 replies
- 1.2k views
My right front turn signal light was not working a couple of weeks ago, whenever you move the turn signal switch to the right only the rear right turn signal lamp flashed. I decided to take the car to a shop where they fixed it and now it does flashes. However, yesterday when i parked the car in front of an establishment i noticed that stepping on the brake also activated the right front turn signal light. Is this normal?? I think only the rear lights should actÃvate whenever you step the brake pedal. How do i fix this problem?
Last reply by SteveJ, -
- 14 replies
- 2k views
OK, I have everything I need for my ZX Dist swap. The only thing I am not sure of, is what coil I need. I have the ZX tach in place and a wire running to the coil +. What after market coil will work and do I need the resistor?
Last reply by 71Ugarte, -
- 21 replies
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Got a problem on my 240z ignition, if i hold the key to crank it, all it will do is continue cranking but if i release it, it will start.
Last reply by mossy, -
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- 952 views
71 240Z. My running lights stopped working the other day. I checked the fuse and it was ok. When I pulled one of the bulbs out I noticed it was burned out. It turns out every single running light, and all of the dash lights are not only burned out, but on some the glass is even cracked. I replaced all four of the running lights and they worked fine again, until I started the car and gave it some gas. They got bright and poof. No more lights. The first thing I checked was the voltage regulator. It's only 3 months old. With the car idleing it shows 12.6 volts. The volts dont go up at all if i rev it up. It shows 12.4 to 12.6 at the battery while running. I also just lost my…
Last reply by Zed Head, -
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While cleaning the connections and sockets for the tail lamps, I noticed that the foam gaskets were worn out, dried up, crumbly, or missing, so I decided to make some new ones. The hardware store didn't have any closed-cell foam that is about 5mm thick, so I browsed the craft store, and found a sheet of 3mm foam. I cut a strip the width of the gasket diameter, and glued it using spray glue to make a 6mm double-layer. I tried to cut one gasket by hand using a sharp knife and scissors, but it didn't look right, so I got a brass pipe fitting from the home improvement store that has the same diameter as the gasket I.D. It was slightly too large, so I created …
Last reply by TomoHawk, -
- 10 replies
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My Intermittent Hazard lights are not working properly. They do light up on the panel but flash very low on the front turn signals lights and tail lights. I have attached a picture of the flasher relay that came in my car and does not seem to be the original one. Maybe some can chime in with the solution. Please be advised all the rest of the lights are working in the panel and the rest of the car. This is the only problem and i want to fix it. When i actÃvate the hazard switch you can hear the flash sound but you cannot see them flash with the same intensity as they should.
Last reply by z boy mn, -
- 9 replies
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Hey Guy's, A quick general question about the ignition switch diagram in the FSM.... I need to find a wire that has power on it when the ignition switch is in the start/on position... For the following diagram Would I be correct that I could tap into the wire coming off of position 14, or 16 provided that they had +12vdc going to them from somewhere? Thanks
Last reply by peng155, -
- 5 replies
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Hello, my baby is having trouble idling and accelerating. I just recently installed MS2 in her so I could surpass the issues I was having with the electrics. However, the problems I was having before are almost the same as the problems now. A very rough idle and no acceleration in the rpm. I have replaced the coil, distributor, plugs, plug wires, fuel filter, ECU (to MS2), and the fuel regulator. I hooked the distributor up to my laptop and the board and spun it around with a drill and got rpm on the screen, so I think that works. The coil is working too because cranking it over unhooked give plenty of spark. I did a check on the fuel pressure after the fuel filter and go…
Last reply by ZDrummerGuy, -
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- 5 replies
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I am doing a lot of work on my 76 280Z to begin driving daily. I just realized that the previous owner bypassed the heater control valve and the heat is on continuously. Does anyone have a heater control valve they may want to part with reasonable priced or know where I might find one. May be needing other heat/air related parts as I move forward. Thanks.
Last reply by siteunseen, -
- 1 reply
- 1.9k views
Hello, Me and my dad just recently installed a MSII V3.0 into a 280z and have been having trouble getting the car to run properly. It will idle rough, bog when revving, stall for no reason..etc.. We've done everything in TunerStudio to try and make the car run at least decent. But, rich or lean with extreme advance or retarded in spark makes no difference. So we've come to the conclusion that the original electrics on the car are the problem. The fuel pressure is at a solid 30psi and through numerous tests of the injectors, we know they all work no problem. Testing the connectors going to the injectors shows that they're all fine too. It all comes down to the ignition sys…
Last reply by SteveJ,
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