Electrical
Anything about the electrical system on a Zcar.
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Someone has recently chaged the online parts catalog and not necessarily in a good way. Back in 1999 I purchased a hard copy of the factory parts catalog that someone had made from the Nissan fiches for the 1970-73 240Z's. This was long before we had these resources available online. Here is my scan of page 25-1 covering the combo switches and the online catalog had the same P/N's and effective dates until recently: The switch for the 1972 car was P/N 25160-E8800, effective dates 09/71 - 06/72. It's my understanding that the 1973 model introduced the 3-speed (intermittant) wiper control, P/N 25160-N3300, dates 07/72 - 07/73 This is what the online cat…
Last reply by CanTechZ, -
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Just wondering if there could be an easy diagnosis for my wipers being on all the time that the key is in the ON position...? Any insight is greatly appreciated...Ryals
Last reply by dutchzcarguy, -
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The low and hi headlights do work on my 72 240z however the blue light in my speedo is not working. Should i attempt to remove the speedo to change such blue led or should i check anything before? I already pulled both turn signal and combo switches cleaned all there connectors and still no blue light.
Last reply by dutchzcarguy, -
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Id like to source a good wiper water pump for my 72 240z. Something that fits correctly and has gas enough power to spray the windshield. This is the one i have and is currently shot. Im also attaching a picture of the one i found on the web.
Last reply by Yarb, -
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Yesterday while turning the left signal while driving a friend of mine told me the rear left hand bulb was not lighting. The this is that it does flash in the board and if you swith the emergency switch it also flashes. This leads me to believe the turn signal switch is failing maybe a burned contact. Theres is a video in youtube where someone pulls the T/S switch from the steering column and opens the contacts . I really dont wanna mess anything and look for a faster solution to avoid removing the switch. Ive eliminated all possibilities an think this is the only solution remaining. How should i approach this repair?
Last reply by Patcon, -
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I’ve searched the forum and Car Parts Manual looking for the lighting harness grommet that feeds through the engine bay into the wheel well for the head light & side marker lights. Can anyone help with identifying or sourcing these grommets for my build? Appreciate any help you can provide. Thanks in advance….
Last reply by Yarb, -
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I'm trying to find the right size pin extractor to remove the round male pins from the connectors. The size appears to be the same as a Molex pin. (0.093" or 2.36 mm). Has anyone on here found a good pin extractor for these? I am hoping to design a headlight relay solution for the 260Z/280Z that will be of similar elegance to the solution I created for the 72/73.
Last reply by SteveJ, -
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The gas gauge on my '73 was not responding, other than the needle coming up to "E" when the key is on, no matter how much fuel is in the tank. I finally clipped the two wires together at the sending unit and the gauge jumped right up to "F". I pulled the sending unit (new) and "Surprise, Surprise" (thanks, Gomer)...the little screw that holds the float arm shaft tight to the rheostat contact arm was loose...! I never checked it before it's initial installation and it was a head-scratcher for others as well as myself. Feeling foolish in North Georgia...
Last reply by SteveJ, -
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All guages were working before I made the switch to a megasquirt fi system. I found that the tach wire (blue) was shorting the ignition system out when it was attached so to get it turned I just left it off. When the engine is running it will short out the ignition if I attach it and the engine dies. I thought it might be the tach so I pulled the guage and wire plug out of the dash completely and the engine still dies if I try to attach the ble blue wire while it is running so I don't believe that the tach is the fault. Looking at the schematic in the service manual it appears that the blue wire goes to a resistor but I don't know where that may be, anyone know? I h…
Last reply by cgsheen1, -
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The signals are doing some strange things that make no sense to me, using the old flasher unit, sometimes I can get all four signals to flash by moving the signal stalk left and right. Then the next time I go back to the left the front left signal won't flash or light up, the rear left and right signals always work no matter what, switch back to the right and now the front right signal doesn't work. Then a couple more tries and they all work again until the next time and the front left stops working. No rhyme or reason, I have taken the signal switch apart and cleaned the contacts with a scotch pad, the signal bulbs are working fine, I've switched them around, I've j…
Last reply by cgsheen1, -
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I'm working on a 72 240z atm, it has a standard Pertronix ignition and the engine is running well, no problems there. Before I tear the dash out I'm wondering if any of these wires will restore the tach, on the coil are the red and black from the Pertronix and one of the black w/white stripe wire going to the positive side. Three wires left over, 1 black w/white stripe, 1 green w/white stripe and 1 black wire that I thought would be a ground but isn't. I was going to try connecting the loose wires one at a time to see if I could get it working but I've fried Pertronix units before so thought I would ask first. Thanks
Last reply by Yarb, -
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in the passenger side engine compartment there is a kanto 3 amp fuse ? does anybody know what it is used for? can I get rid of it? thanks
Last reply by kully 560,
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