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FJ1100 won't run in neutral with sidestand down

Started by Gearbox Paul, February 25, 2026, 10:14:54 PM

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Billy Bananahead

From what i remember there is a diode in the wiring loom. It's hard to locate without actually cutting open the loom casing. It's somewhere between the headstock and fuses. Sorry i can't be more helpful. I'll see if i can find the one i replaced and post a picture.

Billy Bananahead

I'm sorry but i've lost the diode that i took out of the FJ loom but here's some info and the diode universal symbol > https://www.pcbasic.com/blog/diode_symbol.html
If you look in the Haynes Book of Lies at the wiring diagram then the symbol is there in the loom, just look for the symbol, but that is only on 1986 and 87 models. That's why i call it the Haynes Book of Lies as it could have been omitted regarding later models.
But looking at the wiring diagram could you bike have a problem with the side stand relay or is that earlier models only?

Pat Conlon

The most common issue with the side stand switch is the switch itself....a simple continuity test on the switch leg will identify any side stand switch problem.
1) Free Owners Manual download: https://tinyurl.com/fmsz7hk9
2) Don't store your FJ with E10 fuel https://tinyurl.com/3cjrfct5
3) Replace your old stock rubber brake lines.
4) Important items for the '84-87 FJ's:
Safety wire: https://tinyurl.com/99zp8ufh
Fuel line: https://tinyurl.com/bdff9bf3