Electrical
Anything about the electrical system on a Zcar.
3,450 topics in this forum
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With all the years of owning vehicles and doing most of the repairs myself, I have never had an alternator apart. A trip to the local parts store to buy a remanufactured alternator and leaving the old one for the core has always been my solution. On the 78 Z resurrection project that is slowly progressing I believe it is the factory original alternator still with the vehicle. The blue label-INTERNAL REGULATOR-was still on the unit before spraying some degreaser on the alternator. Just thought it would be neat to keep the original unit with the car and was quite surprised to find the brush assy/ voltage regulator part still available as a separate part. The bearings …
Last reply by siteunseen, -
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Was driving home late Saturday night on a slight downhill when sparks starting erupting from my hood. The engine immediately cutoff and sparks were flying so far that they were coming out through my hood vents. I turned off the key and coasted to a pullout on the side of the road. What I found is that whoever did the L28ET engine swap 14 years ago on this car slid a rubber insulator over copper connection on the positive battery lead. This had slid off over the year of my ownership and grounded to the inside fender. I covered the lead, drove the car home and put it on the battery charger. Charger showed it was at 60% until morning where it became 100%. Now, I ha…
Last reply by Patcon, -
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Hi, 11/70 Z converting from a mechanical to a electric fuel pump for my stroker with triple carbs. I have a couple questions on the wiring that I was looking to get some help with. I've consulted various different builds, threads and diagrams and am planning on wiring in a Holley Red Electric fuel pump. I have grounded the wire and the positive side will be going to a relay (which I have figured out already). My questions are firstly: Should I want the fuel pump to turn on when the key is in the ON position or the START position (Will it still be on if in the start position)? My second question is: Of the Wires going to the ignition switch, which one of these would be the…
Last reply by w3wilkes, -
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Here's a proposition for ALL 240Z owners. If you send me your combo and T/S switches, I will rebuild them to the best of my abilities. I've done it plenty of times before and know what I'm doing. If you have extra parts you'd like to donate to the cause, feel free to send them in the same box. The more spare switch parts I have the better I can build your switches. Springs depress over time, the ball bearings get flat spots, the teeter plates get tracks in them and warp over time because of heat and stress. I've built over 10 sets (combo and T/S switches) and have not had to deal with ANY failures so far. I can't tell you how much the 10 sets get used but I haven't heard …
Last reply by ashtonb72, -
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Just recently bought a 280z and was trying to get it up and running again but ran into a few problems. I'm getting no spark to the engine. I have replaced the ignition coil as the previous one did not carry resistance. Also the distributor rotor spins and the connections do not seem to be corroded. But still no spark to the engine. When hooking up a spark plug tester I'm getting no light which I am told means a ignition system issue. My last resort is purchasing an ignition control module but, ya know, it's expensive. Would like your guys' take on this. Any help is appreciated. And btw it cranks and everything. Nothing timing related, she's trying her hardest.
Last reply by FairAbrocoma, -
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So I stumbled upon this 125 amp alternator at Datsun Store while researching the various alternator upgrade options out there (GM, Pathfinder, Maxima, etc.), and I am really curious what exactly they have here. They claim that it's bolt in, doesn't need the T-plug, is internally regulated, doesn't require any diodes or new wire looms or bracket modifications, and the pulley it comes with will work if you get a particular fan belt. They also claim 50+ amps at an idle around 550 rpm. Is it just me or is this too good to be true? I've seen other options that make some of these claims, but nothing with this much juice that doesn't also have at least one thing you ha…
Last reply by Zed Head, -
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Hi all, I'm hoping that you can help me out, I've noted that the wiring around my 240z headlights isn't the best and I've recently had a couple of issues with my headlights. Notwithstanding this I'm also conscious of the age of the wiring and from what I've read the load that is being exerted on the cars combination switch. The car does get driven at night so I'm looking to upgrade the wiring and take the load out of the system with some plug and play wiring with relays if possible. I've seen a couple of different options online from different vendors however I wasn't sure if someone could point me in the right direction as what may be the best setup/value for …
Last reply by Woody928, -
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Where can i get a nissan oem reverse backup light switch for my 280z 5 speed tranny installed on my 1972 240z? The ones ive seen on ebay or other suppliers are not oem nissan. Mine works but i guess its all bundle up with patches of wired sliced and soldered as the picture i took.
Last reply by jalexquijano, -
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wonder if this would work well for a 280z swap. replace the pulley and make some wiring mods (I have 75 so no need for charging light). think I would just need a switched power supply for the field coil. https://www.partsgeek.com/vj8ysk1-infiniti-j30-alternator.html 90 amps infinity J30
Last reply by Dave WM, -
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hi all i want to go one key for my car which is 2 keys at the moment. i also need to change my ignition switch. i am looking for complete set but can't find it except at a crazy price on ebay. do you have any adress ? do you know if some other datsun or nissan cars lock set could match ? thanks
Last reply by psdenno, -
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- 750 views
While I have everything apart I thought I do a complete checking of all the wiring, ecu and all connectors. So far all's well I just I can't seem to find anything on bench checking (out of car) the thermotime switch. Can anyone help me out. Thank you
Last reply by chiefmd, -
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My gage is not working. Is there test that can be done on the gauge and the sending unit on the motor?I am not sure which part is causing the problem. Sent from my iPhone using Classic Zcar Club mobile
Last reply by joe newsom,
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