lower engine wiring harness - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

SuperJoe · 05-24-2006, 02:18 PM

ok so here is the deal. i have installed my SR into my 89 automatic 240 and i finished working on the engine harness. now i started to wire it up and notice that the SR lower engine harness will not match up with my fuse box. what modification need to be made to make this work? or am i suppose to just have that many plugs unused?? thanks alot

s13_gearhead · 05-24-2006, 02:47 PM

Are you swapping to 5spd at the same time you're installing your SR?

SuperJoe · 05-24-2006, 02:58 PM

yes i got a 180sx front clip with engine and tranny and all wiring. i need to know what modifications need to be done to the lower harness to match the stock fuse box. i know about the starter interlock but that it

steve shadows · 05-24-2006, 03:00 PM

you mean the harness for the alt and sp sensor etc?

Use the usdm one as long as the alt plug is the same.

SuperJoe · 05-24-2006, 03:04 PM

i think.... i am using the sr20det alternator will the KA alternator plug work?

projectRDM · 05-24-2006, 03:11 PM

Plugs are all the same but the SOHC lower harness is slightly different due to the length of wiring. Use what you have and just modify as needed. The VSS is not required to rewire, the reverse lights are done just as any swap guide tells you (or on here, I just answered it again a few days ago) and the alternator wiring can be shortened as needed.

SuperJoe · 05-24-2006, 03:16 PM

ok so the SR and KA wires are all the same just different plugs? so you think i should cut the ends off the KA plugs and attach it to the SR wires?

SuperJoe · 05-24-2006, 06:25 PM

alright can anyone help me out i have the SR lower harness all wired up to the engine and pluged into the KA fuse box. there is 2 plugs that will not plug in. one has the 8 female connectors. the other one is a plug that plugs into a plug right on the positive battery terminal are these plugs needed to run the car??

05-24-2006, 02:18 PM	#1
SuperJoe Join Date: May 2006 Location: Maryland Posts: 11 Trader Rating: (0)	lower engine wiring harness ok so here is the deal. i have installed my SR into my 89 automatic 240 and i finished working on the engine harness. now i started to wire it up and notice that the SR lower engine harness will not match up with my fuse box. what modification need to be made to make this work? or am i suppose to just have that many plugs unused?? thanks alot

05-24-2006, 03:00 PM	#4
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 7,597 Trader Rating: (3)	you mean the harness for the alt and sp sensor etc? Use the usdm one as long as the alt plug is the same. __________________ SHADOWERKS.COM *Your PREMIER Zilvia Dyno AND* Remote Tuner...**

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05-24-2006, 02:47 PM	#2
s13_gearhead Zilvia Member Join Date: May 2005 Location: Santa Rosa, CA Age: 27 Posts: 210 Trader Rating: (0)	Are you swapping to 5spd at the same time you're installing your SR?

05-24-2006, 02:58 PM	#3
SuperJoe Join Date: May 2006 Location: Maryland Posts: 11 Trader Rating: (0)	yes i got a 180sx front clip with engine and tranny and all wiring. i need to know what modifications need to be done to the lower harness to match the stock fuse box. i know about the starter interlock but that it

05-24-2006, 03:04 PM	#5
SuperJoe Join Date: May 2006 Location: Maryland Posts: 11 Trader Rating: (0)	i think.... i am using the sr20det alternator will the KA alternator plug work?

05-24-2006, 03:11 PM	#6
projectRDM Post Whore! Join Date: Dec 2002 Location: Atlanta Age: 36 Posts: 13,493 Trader Rating: (12)	Plugs are all the same but the SOHC lower harness is slightly different due to the length of wiring. Use what you have and just modify as needed. The VSS is not required to rewire, the reverse lights are done just as any swap guide tells you (or on here, I just answered it again a few days ago) and the alternator wiring can be shortened as needed.

05-24-2006, 03:16 PM	#7
SuperJoe Join Date: May 2006 Location: Maryland Posts: 11 Trader Rating: (0)	ok so the SR and KA wires are all the same just different plugs? so you think i should cut the ends off the KA plugs and attach it to the SR wires?

05-24-2006, 06:25 PM	#8
SuperJoe Join Date: May 2006 Location: Maryland Posts: 11 Trader Rating: (0)	alright can anyone help me out i have the SR lower harness all wired up to the engine and pluged into the KA fuse box. there is 2 plugs that will not plug in. one has the 8 female connectors. the other one is a plug that plugs into a plug right on the positive battery terminal are these plugs needed to run the car??