Electrical
Anything about the electrical system on a Zcar.
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A while back, I happened to search the web for specs on bulbs, in part trying to answer someone's questions on an electrical issue. I have to confess that I have been lazy in calling out 1156 bulbs for side markers, license plate lights and rear markers. In the 74 FSM, Nissan called out the bulb specifications rather clearly. Type 67 bulbs should be used for rear/side markers, and type 89 bulbs should be used for license plate lights. I pulled up the 1156 specs today because I saw a comment on another thread talking about a fuse box heating up, so I made a spreadsheet to estimate the current draw. If all of the type 67 & 89 bulbs were replaced by 1156 bulbs…
Last reply by JSM, -
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My map light was intermittent, the on the dash not the roof. I popped for a used one off ebay, guy says is does not work, I tried it and seemed fine. Anyway it had the wrong connector, but my parts stash turned up some new pins and the plastic shell I needed so off with the old and on with the correct. All good now. But I decided I need to understand the issue so now that I have a working light I felt ok to try and fix my old one. I was concerned that it may break upon disassembly, but it was no big deal. Lesson learned disassemble and re assemble with it in the "ON" position, just seemed to work better. Don't loose the little bearings (plastic pivot points). th…
Last reply by Dave WM, -
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Ok, so I took on the task of rebuilding my perfectly running l28. I got it out had the motor redone and put it back in. That was all, for the most part, easy. Then I go to start the wiring procedure. I have a diagram and I followed it to the most of my abilities. When I got the car, it had quite a few wires unconnected in the first place so I had left about 4 wires unconnected. So here comes the problem; I have no electrical power running at all through the car.I'm talking no headlights, no dashlights, no start lights. Nothing at all. This is the last step before I prime engine and go. So please if anyone has experience with this or knows what else I can do please comment…
Last reply by Gators280z, -
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Ok don't know how I missed this before, but on the drivers side rear, the wire loom that feeds the power antenna and side marker light has a yellow wire and yellow black wire sitting there stripped. Were these for the OEM speakers. Was there really only one speaker for the entire car? The wiring diagram I looked at didn't show the wiring diagram for the radio. Is there such a diagram somewhere? Checked this but I don't see the speaker itself on the diagram or the wires.
Last reply by siteunseen, -
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I'm looking at the wiring harnesses I have here for 1969 and 1970, and for the life of me, I can't determine what the original colour of the transparent rubber/plastic terminal insulators are supposed to be. Some of the larger ones from, say, the interior where the parking brake switch is seem to be of a greenish hue, even when cleaned thoroughly. Yet a couple of others that are the same dimensions and for the same type of crimp terminal look more like an amber colour. Then there are some that are just so burnt from possibly engine bay heat or UV discoloration, that they are closer to brown- so I'm not sure if they were ever amber to begin with. For this car I'm…
Last reply by Careless, -
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Missing a connector in the fuse box. Vehicle 1974 260z 2-seater The attached photograph shows the backs of my fuse box on the right and one I purchased on the left. The fuses are numbered top to bottom 1-7 on the right and 8-14 on the left of each box when viewed from the rear. The outer contact on my fuse No. 4 is missing. Someone spliced a purple box marked 12V10A 410 (upper right side of photo) branching off of the Green/White wire from fuse No. 3. A blue wire then extends from the purple box. I’m assuming the blue wire used to go to No. 4 based on the wiring of the box I recently purchased. All would be fine except fuse No. 3 keeps blowing. I’d lik…
Last reply by Jeff Berk, -
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Just removed the green tape from 1761 petronix ignitor module. Any issues with this or should i place the tape back?
Last reply by JSM, -
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While I've got the dash open for a new radio I thought I'd replace the overhead and map bulbs with LED. Thinking a nice bright for the overhead; https://www.superbrightleds.com/cat/festoon/filter/Base_Type,3110,1,8182: And https://www.superbrightleds.com/moreinfo/festoon/de3175-led-bulb-4-smd-led-festoon-30mm-car/2107/#/attributes/10822 for the map light. Will these work?
Last reply by w3wilkes, -
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my tach is not accurate - jumps all over the place? worked fine forever - but this season just choppy and unreliable. 1973 260z - flat top carb model. car has only 35,000 miles on it
Last reply by Jeff Berk, -
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I have been making improvements to my 1972 Z. I bought my Z brand new in 1971. I like all the improvements cars have today, so I have added a push to start to the ignition, a Retrosound Bluetooth radio and made a box to operate my original antenna manually and supply USB power for my other devices that will need to be charged. Let me know what you think of the work I did on the box. Phil Smith
Last reply by KSRosser, -
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Just so you guys know I have been doing something besides being a smart arse on the forums here I have been installing an aftermarket ECU called Megasquirt on my 71. Why you ask, because it's always been about the learning experience for me and the challenges that brings. I enjoy the L series engine and I have done the SU thing, and now the triple carb route, now I want to indulge into performance FI. Maybe-eventually-turbo charging. I am having way too much fun with the NA motor for now, and I would like to FI my L24 and save my pennies for a Rebello. I am going to do this in baby steps so i can still enjoy my ride. This crappy winter has forced the Z indoors, but has…
Last reply by Chickenman, -
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I'm installing a modern pioneer into a 1970 Z. This car had a blaupunkt tapedeck installed in the 80s. It powered up when I got the car, but apparently it needs an amp (and they took out the speakers too, but whatever). I've been reading up in the FSM, the forum, and google. It seems pretty straightforward, but I want to ask to make sure about 2 things. 1. What is going on in this picture? This is the radio harness removed. I checked voltage, and the red/blue is +12V at ACC, 0V when off. Blue is +12 always. Some PO wired these together. Then to a 1A fuse. Then to the radio. I don't have wiring diagram for the blaupunckt, so no idea what it had for options. But…
Last reply by Warty,
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