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Old 08-06-2007, 10:48 PM
corsair23's Avatar
corsair23 corsair23 is offline
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Join Date: Jul 2006
Location: Littleton
Posts: 8,684
Default Any FJ40 horn experts?

I searched MUD and found a link to a really nice write up on FJ40 horns by Coolerman...

That said, before I go off on a wild goose chase I figured I'd ask you all if maybe this isn't just a simple issue.

Background...My horns worked fine on my FJ40, until I started monkeying with stuff that is

I installed my Grant Security System and new Grant steering wheel, replacing my old Grant wheel. I followed the directions to the best of my ability and things seemed to go well. Had some issues with the roll pin for the signal cancellation but I think I got that figured out.

Anyway, I get everything installed, connect the battery back up and hit the horn and all I get is a week "brrrrrrrp" or just a click/thunk noise. WTF? Recheck the directions, connections, etc. etc. and nothing. I disconnect one horn and get a nice loud BLAST. Doesn't matter which horn is connected alone (high/low tone), I get the horn, but connect both at the same time and I get squat.

Any hints on what might be a simple solution to my problem?
Jeff Z. (the "not quite as skinny" one)
TLCA #17037
'07 UZJ100
'97 FZJ80 Antique Sage AE #267, stock
12/74 FJ40, 2F, SM420, 4" Lift, ARBs, 33" MTRs


"...anything else i can do for you guys, how about i wash your car or mow your lawn while you figure out your firewall system? I am now boarderline insane/unibomber." Kipper

"That assumes I'm even capable of pulling and stabbing..." Jacket

"I really like having a detachable unit." Beater

Last edited by corsair23; 08-07-2007 at 01:23 PM.
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