New harness, old bike - mods needed? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 4 (permalink) Old 05-05-2013, 10:05 AM Thread Starter
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New harness, old bike - mods needed?

Hi everyone. It's been quite some time since I've been around and active on the forum. I went to go get my bike out for the spring/summer and my harness is shot. I've got an '86 bike and wasn't thinking when I bought a harness off of a 2004 bike. I didn't know they got rid of the turn signal cancelation thingamajobber. I found this post about it: https://www.vn750.com/forum/showthread.php?t=17561 Where someone notes that it will work with some adjustments.

Once I discovered this and that one of the connectors was different just behind the neck, I did some diagram reading. The harness side connector only had 3 wires, and the left hand control had 6 on this connector and 9 on the other. The 9 pin connector was there so I just plugged it in. I took the 6 pin plastic connector from the old harness and swapped it for the 3 pin connector on the new harness.

I ended up with these connections for that modified (6 pin) connector:

Control, Y/G <-> Harness, Black
Control, Green <-> Harness, B/R
Control, L/O <-> Harness, L/O
Control, W/R <-> Not Connected
Control, W/G <-> Not Connected
Control, L/W <-> Not Connected

However now it appears that I'm not getting any power to the cockpit it seems and the turn signals don't work, I just get a buzz from the turn signal relay. Anyone ever put a newer harness on an older (1985-1988) bike? Anyone got any thoughts on where to start checking or should I just go buy an older harness and take my chances with it's older wiring?

Last edited by Chiron; 05-05-2013 at 10:17 AM. Reason: Flip flopped wire colors, DoH!
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post #2 of 4 (permalink) Old 05-05-2013, 10:24 AM
..have a vulcan good day!
 
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Quote:
I just get a buzz from the turn signal relay.
In experienced similar...low battery !

WilliamTech

'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
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post #3 of 4 (permalink) Old 05-06-2013, 10:51 AM Thread Starter
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DING! DING! DING! We have a WINNER! I had the battery checked out and it showed 1.2volts and wouldn't even start taking a charge. I replaced that sucker, and BAM! Everything began working and so far it looks like my wiring mod was right on!

Thanks, man!
Chiron
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post #4 of 4 (permalink) Old 05-06-2013, 11:19 AM
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I put a newer wiring harness on my bike. All I did was use the same 6 pin connector and plug in the 3 pin connector inside it anyway... Just matched the wire colors I think. I just had to file one of the little plastic tabs on the 3 pin connector, but aside from that it was almost a direct fit.

1985 VN700 unknown mileage (over 33K)

AGM Battery
Iridium spark plugs
NGK wires and caps
Relocated R/R
Marbled
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