Electrical
Anything about the electrical system on a Zcar.
3,450 topics in this forum
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I have a 1970 Z, number 4095. Appears the PDO did some creative re-wiring so I have a few questions. First, with the ignition off, no key in ignition; if I turn the headlights on, shouldn't the tail lights come on also? They don't. Next, when I step on the brake peddle while driving, the right turn signal indicator on the dash lights up..... Any thoughts? Mike
Last reply by Bruce Palmer, -
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- 3 replies
- 1.8k views
We had the car running before we pulled the engine to replace a gasket and the cam. Today, after reinstalling, the car won't start. After cranking, it seems like it wants to start for a couple seconds. We pulled a plug and tried to get it to spark (after confirming we had fuel), but it didn't spark until AFTER we let off cranking. I plan on installing a spare points dizzy to see if somehow the ignition module was damaged, but we've done a lot of wire elimination earlier. Basically, the only wires to the interior go to the ignition switch and the tach. Again, the car started with the same setup previously; the only known change was a new gasket and cam. If anyone has any i…
Last reply by escapedan, -
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don't know if it's been posted before but in case anyone runs into it. bought Nissan replacements for dome light door switches (both are 2 wire). drivers side 2 wire easy, plug 'n play. exactly as original. passenger side on my 5/71 240z was only 1 wire. replacement switch had two wires. apparently Black Dragon ships same part for both sides. made adapter to plug in female to female what i assumed was hot wire (+) to connector (center post conductor). assumed ground wire would not be needed since body of switch would be grounded by contact with frame (like OEM). left the wire attached to body of switch (-) dangling. shut pass door, light stays on. unplug wire to center…
Last reply by mlc240z, -
- 7 replies
- 2k views
I have lost both high and low beams on my 77 280. There is no power to the fuse block. There is power through the fuseable link. I have read every post I can find and have tried everything I can come up with. If I heat up the fuse block, the lights do come on. Every other light works as it is supposed to. Near as I can tell, I am looking for a missed or bad connection between the battery and the fuse block. Am I overlooking something? Thanks, Leonard
Last reply by lmcguffin, -
I'm at my wits end concerning my car and this gremlin. I have a 72 240z with a stock 2.4 4 speed and su carbs. The car will stop on me from time to time for a while now. I can always tell when it's about to happen because the car starts running really bad after deceleration on the freeway or similar circumstances. I have had the carbs adjusted/floats sync, new distributor, new fuel pump and spark plugs. The car acts as if it's running out of gas prior to it stopping and once it stops it will not fire back up for about 3 minutes it just cranks. Once it comes back to life, it runs as if it was flooded or misfiring. Any ideas concerning this?
Last reply by rhands, -
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If you read my other thread, you'd know that I can't get spark. What's happened since we pulled and put the engine back in: Car will only spark AFTER cranking. Getting +12V @ BOTH sides of the ignition coil. Car is a '73 240Z w/ ZX E12-80 dizzy. We can't take it to a shop because we don't have budget for it (http://sdgrandchallenge.com), but we will buy beer for any soul willing to come to the garage and help us figure this out
Last reply by e_racer1999, -
- 1 reply
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Well I had a problem that my tach is acting up strange and also it looked dirty from the inside. I decided to take it out and pull it apart clean it and see if I find any problems with it. So I came up with this. Hope it helps. Check the attachments. Tomorrow I will be trying it again see how it comes out. Hope this works:beer:. tachpart1.doc Tachpart2.doc
Last reply by Walter Moore, -
- 1 reply
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Hey guys, I have an early '74 260Z with the stock transistor ignition system (except for MSD Blaster 2 coil) and original distributor. Today it would crank strong but not start, and I found later that there was no spark. The resistances on the coil were out of spec, so I went ahead and picked up another one. Still didn't start. So I checked the pickup coil the way I was always taught to: connect an ohmmeter to the connector, then tap the coil lightly and see if the reading changes. And it did: with an initial reading of 727 ohms, it changed about +/- 300 ohms with each tap. Is that the problem, then? I ask because I've never run into a bad pickup coil before. Are there ot…
Last reply by alhbln, -
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I have a 260z with an Alpine head unit and am thinking of installing a stock 260z am/fm radio I have. I'd like to do it if I could find a hidden bluetooth unit I could tie into the radio to play the mp3's on my phone. Does anyone know of a bluetooth addon that may work? Jeff
Last reply by Travel'n Man, -
- 3 replies
- 6k views
Does anyone have a suggestion on where to hook the alarm system into the parking lights so that it will flash them when its triggered? The alarm I have can be spliced into the ground wire for the lights, providing a switched(on/off blinking) ground for the ground side of the parking light circuit. From looking at the wiring diagram and the dash, I think the switch for the emergency light flashers is a switch on the ground side of the parking lights. It seems to be connected to a flasher device under the dash, which then goes to the parking lights, making them flash. I think I could splice into the wiring between the switch and the flasher device. Does anyone have an…
Last reply by Zs-ondabrain, -
- 2 replies
- 1.1k views
hello all, my brother in law has a '74 260z that he asked me about an electrical issue that he has developed. When he first purchased the car he had interior and exterior lights. Now nothing works, i figured bad ground so i checked all connections. they are clean. Then checked fuse panel, no power at any fuse, which leads me to believe the fusible link. when we checked that we found the rear wire lead to be broken so we made a "jump" wire for test purposes. When we installed it we got smoke and spark at terminal connection, but still no lights. I am at a loss, did i miss something, going about this the wrong way. Any help or ideas would be appreciated. thanks Dan
Last reply by =Enigma=, -
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- 2.6k views
Ok, I know that plugs have to be properly gapped before installing. My question a two parter and is this: What happens when a plug gap is too small? What happens when a plug gap is too large?
Last reply by Zs-ondabrain,
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