theatriks Posted September 17, 2015 Author Share #13 Posted September 17, 2015 That's how the PO had it ....it's a 30 amp fuse Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477659 Share on other sites More sharing options...
Zed Head Posted September 17, 2015 Share #14 Posted September 17, 2015 When it has been sitting and cool i can start the car right up...... Once i start driving it and it heats up after i shut it off .....it doesnt start ...as a matter of fact i loose all electrical power not even the door chime works !!!!...no click ...nothing!! After the car gets a chance to cool down ....it will start right up!!!! The above, the third part about restarting, does not match a blown fuse. Fuses don't fix themselves when they cool down. Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477660 Share on other sites More sharing options...
theatriks Posted September 17, 2015 Author Share #15 Posted September 17, 2015 Then I either have 2 problems and I just found one of them or ghosts ... Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477661 Share on other sites More sharing options...
Zed Head Posted September 17, 2015 Share #16 Posted September 17, 2015 You probably have multiple wiring problems. The Maxi-Fuse comes from somebody's Maxi-Fuse upgrade which means somebody has been messing with the wiring. Could be as simple as two wires touching or one pinched to ground. I would take a good look at all of the Maxi-Fuse block work and fix all loose connections, make sure the wiring matches the factory diagram (or atlanticz's page), and do some work with a meter. You won't learn anything at all by burning another fuse. Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477662 Share on other sites More sharing options...
beermanpete Posted September 17, 2015 Share #17 Posted September 17, 2015 The fusible links are in circuit locations that handle higher currents than 30 amps. That is why the original protection devices are fusible links and not fuses. Regardless of the protection device used the connections need to be clean and tight. When they get old they corrode, get dirty, and loose spring tension, all of these conditions increase resistance and cause problems. Generally, the high resistance not only causes operational difficulties (not start, dim lights, etc.) but also heating of the connectors which exacerbates the corrosion and spring tension loss. Clean and tighten the connections. Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477665 Share on other sites More sharing options...
theatriks Posted September 17, 2015 Author Share #18 Posted September 17, 2015 ^^ ok well is a fusible link a special wire ? or can i just get the same gauge wire and put to connections on it and voila new fusible link ? Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477673 Share on other sites More sharing options...
SteveJ Posted September 17, 2015 Share #19 Posted September 17, 2015 https://www.google.com/search?q=fusible+link&oq=fusible+link&aqs=chrome..69i57j0l5.2207j0j7&sourceid=chrome&es_sm=122&ie=UTF-8 Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477674 Share on other sites More sharing options...
theatriks Posted September 17, 2015 Author Share #20 Posted September 17, 2015 got it thanks....my local bensons has a kit ....I for some reason trust the fuse more but if this is the proper part I will go ahead and install it Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477683 Share on other sites More sharing options...
SteveJ Posted September 17, 2015 Share #21 Posted September 17, 2015 Look at the FSM to make sure you get the correct rating for the link. I keep spares from Nissan in my glovebox. Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477685 Share on other sites More sharing options...
theatriks Posted September 17, 2015 Author Share #22 Posted September 17, 2015 (edited) ok i will ...when i callled the parts store they just asked what gauge ......i need an 80amp and a 40 amp im pretty sure 80 for alternator and 40 for ignition ...if theres no ratings on these kits at the store i might hold off .....some parts guys dont even know what fusible links are Edited September 17, 2015 by theatriks Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477690 Share on other sites More sharing options...
beermanpete Posted September 18, 2015 Share #23 Posted September 18, 2015 Fusible links don't carry amperage ratings. They are sized by wire gauge. You need one that is 1.25 mm2 (cross-sectional area in square millimeters), and one that is 0.5 mm2. The factory color codes are black and green respectively. Aftermarket parts might not use the same color codes so choose by the size. Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477715 Share on other sites More sharing options...
theatriks Posted September 18, 2015 Author Share #24 Posted September 18, 2015 (edited) factory fusible links carry amperage ratings ...green was 40 amps and black was 80 amps ... But everywhere else goes by gauge and from my research black fusible link should be approx 16 ga and the green link should be approx 20 ga Edited September 18, 2015 by theatriks Link to comment https://www.classiczcars.com/topic/52285-260z-no-start-once-hot-all-electrical-gone-when-hot/?page=2#findComment-477731 Share on other sites More sharing options...
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