Electrical
Anything about the electrical system on a Zcar.
3,454 topics in this forum
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- 27 replies
- 8k views
When I start my car the ammeter stays straight up until the engine warms up, then it starts dancing quite often from +10 to -10. Once I start driving the needle will either stay calm or start bouncing irratically when coasting from +45 to -45. When I turn on the lights or the fan, it seems to calm down a little but still bounces. I notice the headlights and interior lights pulse consistently from normal to dim, while the ammeter bounces to the same beat. I had the alternator (with internal VR) taken out and benchtested. Was fine. I checked all of the wire connections and cleaned everything from the alternator to the ignition. I checked for bad wires, replaced one an…
Last reply by Salacious Crumb, -
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i do a quick search, and no answer... i put a 260z tach in my 74 240z, the problem is that in the rear of the new tach are 3 wires(red, black and green) and i dont know where to connect them, and near the coil are just 2 wires (yellow and green) both are disconnected. thanks for you commentaries.
Last reply by RacerChuck, -
- 13 replies
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I dunno if this was discussed recently, but here is a like to the Protege site as an example: http://www.clubprotege.com/wil/howto/groundwire/ On my initial list of ground wires I have this: alternator air meter head intake manifold chassis engine/trans One of the things that was interesting, was the use of a machined aluminium battery cable clamp. It was much prettier than the ol' lead ones, and you can add a mains wire, as well as a few ancillary ones, like grounds, or for headlight harness. The ones I saw at my local store had holes for 6 wires. What would you think about just replacing the worn-out clamps on your battery with these? thx
Last reply by TomoHawk, -
Blower motor
by a7dz- 4 replies
- 1.6k views
I know it is winter and a lot of you are storing your cars but, need a little info and help here. Please go out to your 240Z cars take the accessory relay out and see if the blower motor still comes on. Please post the results with the build date in this thread. This question comes after helping a member troubleshoot his car. After we get the data back we will let you know what is going on and why we are asking these questions. Thanks for your help.
Last reply by Arne, -
- 35 replies
- 7k views
Ok so I got a Maxima alternator that puts out 90 amps and I've been spending the last hour trying to find a good description of how to wire this thing in. Alas I keep getting random bits here and there but nothing concrete. Has anyone here done this and would like to take pity on me by writing a good article on it?
Last reply by venom42, -
- 0 replies
- 1.4k views
This how-to tech article is about making & installing your own ground wires on a car. The article uses a Mazda Protoge as the example. It was said somewhere else that you should include the headllight ground in the system, but since the headlight ground is on the steering column, you'll have to do something else for that or just omit it. I'm not sure I would use the heavy gauge wires that they use. 10 Ga seems the heaviest you can get away with on a Z, unless you want them to be noticed. I'm sure that we could discuss the correct wire, terminals & battery clamp/connection to use for this. I did like the idea of the aluminium battery clamp with the extra ho…
Last reply by TomoHawk, -
- 2 replies
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I just purchased a 72 240z project car that runs well. The only real problem with the interior for me is that the tach doesnt work. It wont work unless you hold the ignition key about 1/8th of an inch to the right, then all of a sudden it pops on. Does anybody have any advice on how to fix this problem? Its so weird, i can be cruising down the street and want to know what i am taching so i just turn the key to the right a bit and boom it comes on.
Last reply by EScanlon, -
- 4 replies
- 2k views
I will be picking up a rearview mirror (center) from a late model Monte Carlo soon, and I just would like to know what kind of electrical requirements it requires. I know it has two map/reading lights on the bottom, and I think it might be auto-dimming, and maybe even have a compas in it. When I looked, there were 3 or 4 light gauge wires coming from it, and those wires are the question. They could be from the door sensors, or running lights, etc. I'm not sure I would keep it in my Z permanently, but I'd like to at least check it out and maybe have it available for touring, then remove for shows. thx
Last reply by TomoHawk, -
- 9 replies
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I have tried everything but I cannot get it to start. I attached these pictures to see if someone can tell me what is wrong with my wiring set-up by my coil. My friend moved everything before I could label my wires and it has been a while since we took it apart. Is there supposed to be a connection fom the resister to the coil? Thanks for the help in advance
Last reply by Arne, -
- 13 replies
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I was leafing thropugh the Nissan parts bood, and notices that there is a door light called a "assy-harness step lamp".part number 24016-E4100, that I have not seen before. I see it applies through 7/73, but I have only evere seen them installed in one car, and I believe those were actually taken from a 280zx and installed. Has anyone got a picture of the genuine article? Thanks, WIll
Last reply by TomoHawk, -
- 1 reply
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Hello all. I finally fixed the incorrect reading on my fuel gage. It wasn't electrical. I didn't have to bend the new sending unit either. At final count, the mechanic in training that swapped out the gas tank, had kinked vent hoses in three places. The kink that got it was from the top of the tank just over the sending unit. It appears he had misrouted two of the lines:finger:. He ran the afore mentioned line through the sleeve in the chassis, thus causing a serious kink in it. It took awhile, but persistence payed off.
Last reply by Carl Beck, -
- 32 replies
- 5k views
I have two pairs of leads by the brake booster. One set is for the washer fluid pump, but I have no idea what the second set is for. I personally removed the tank for now and disconnected the first pair of wires, but I am trying to find out what the second set is for. Any idea?
Last reply by EScanlon,
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