Subject	Note: this mod is for the pre-95 wiring harness.
Posted by	SlicktopTT on December 21, 2006 at 3:57 PM
	This message has been viewed 1014 times.
In Reply To	Don't you think the Nissan electronic engineers would have posted by Zirvana on December 21, 2006 at 02:14 PM
Message	The Nissan engineers did think it was worth it to make this change...just in 95 and after though. Perhaps the engineers had not anticipated fuel additives that would be affected by positive current to the injectors when they first developed the wiring harness in the early 90's.
Follow Ups	The simplest mod so far... switched power injector rewire. - NobleZ 10:54:33 12/21/06 VTF! (n/m) - CaliguyPurdue 11:03:33 12/21/06 Nice. Looks like # 1 should be "disconnect battery". :) (n/m) - Dustin 11:39:13 12/21/06 Damn, and I thought I put in every step.... - NobleZ 13:04:17 12/21/06 Good, VTF! (n/m) - Slobo7x 11:39:53 12/21/06 While I doubt there are significant disadvantages in doing - Zirvana 12:24:37 12/21/06 its more for keeping the newer 555cc nismo's that cost $900 - NobleZ 13:22:45 12/21/06 Don't you think the Nissan electronic engineers would have - Zirvana 14:14:22 12/21/06 If I understand correctly, Nissan DID do it on later harness (n/m) - Crim 15:13:00 12/21/06 Probably because of safety concerns. To kill the power to - Zirvana 16:13:22 12/21/06 Re: Don't you think the Nissan electronic engineers would have - Pacmanpth 15:33:41 12/21/06 Having a bad day? Jeesh. He's not even responding to you. (n/m) - doug8867 16:11:49 12/21/06 I happen to be very experienced in electronic design. Been - Zirvana 16:15:57 12/21/06 you feeling alright there buddy? (n/m) - ZEngineer 12:23:55 12/22/06 Note: this mod is for the pre-95 wiring harness. - SlicktopTT 15:57:50 12/21/06 Do you think the fuel is in contact with the injector's coil - Zirvana 16:17:17 12/21/06 It is. Thats why I throw this theory in the trash can. - spddracer 17:27:46 12/21/06 Any thoughts on why the did fail? (n/m) - lazer(AK) 13:42:53 12/22/06 *reminder: disconnect battery first - NobleZ 13:07:01 12/21/06 Too bad we'll never know if this actually has any affect (n/m) - spicyZ 13:27:26 12/21/06 Classic 'cold solder joint'... - Chas 13:33:15 12/21/06 Can't do better than speculation, but it doesn't hurt - JBender 13:58:45 12/21/06 Lol... yes i will admit, soldering is deffinitely not one of - NobleZ 15:16:53 12/21/06 Solder Flux is your friend (n/m) - TheSlimOne 23:01:05 12/22/06 so...step 6 - spyhunterTT(nj) 13:59:03 12/21/06 That gives the ecu its constant power... - NobleZ 15:19:52 12/21/06 I thought that was confusing as well - 300zx90 (CO) 12:02:52 12/22/06 what is the point of injector rewire????????? (n/m) - redfarsi 15:46:10 12/21/06 With the pre-1995 design, + 12 VDC goes to one side of - Zirvana 16:37:05 12/21/06 FYI, I have 4 original 90 injectors that have lasted 138k. - doug8867 16:07:37 12/21/06 Good job on figuring out this mystery! FYI - A better way - jzack 16:34:19 12/21/06 yeah actually I thought about doing that but, I thought - NobleZ 18:04:20 12/21/06 For others -- my tip should have said using SOLID 20 or - jzack 21:25:39 12/21/06 A Note on pin 58 in certain EFI Harnesses - mjm0771 07:46:34 05/23/08 Re: A Note on pin 58 in certain EFI Harnesses - RomChip200 06:10:47 05/28/08
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