Gauges driving me nuts

barberman91 · August 25, 2016, 09:35:35 AM

Not a single gauge works on my 91 1200. It lights up but nothing moves. Any ideas where to look?

FJmonkey · August 25, 2016, 09:53:23 AM

Possibly a fuse. The speedo runs off the cable so that should still work. Do any lights in the dash illuminate when you start the bike?

barberman91 · August 25, 2016, 10:06:26 AM

The dash lights come on before I start it when the key is on. As far as the speedo, I only took it for its first ride last night. I might have been to excited to look at it.

FJmonkey · August 25, 2016, 10:26:51 AM

Just to be clear, dash lights can be the back lights and or the specific lights like low fuel, low oil, turn (left & right), high beam. I am asking about the specific lights. Do any of them illuminate during the start?

barberman91 · August 25, 2016, 11:35:28 AM

The oil light and fuel light are on when cranking it over. Once started only the neutral light stays on

FJmonkey · August 25, 2016, 11:42:08 AM

Quote from: barberman91 on August 25, 2016, 11:35:28 AM
The oil light and fuel light are on when cranking it over. Once started only the neutral light stays on

Ok, now we have a good starting point. The general or back lights work. The neutral light, low oil and low fuel light work. Does the High beam indicator light work?

barberman91 · August 25, 2016, 11:43:57 AM

I believe it does. I know the high beam comes on but the regular low beam doesn't work. Idk if it could be related or if it's just a bad bulb.

FJmonkey · August 25, 2016, 11:48:53 AM

Quote from: barberman91 on August 25, 2016, 11:43:57 AM
I believe it does. I know the high beam comes on but the regular low beam doesn't work. Idk if it could be related or if it's just a bad bulb.

Check your PM box...

barberman91 · August 27, 2016, 10:41:45 PM

ok the cluster is off of the bike. any way of testing the tach? I cant seem to find any wiring schematic. I'm thinking I could fire up the bike and test for volts if I knew what wires to hook onto.

balky1 · August 28, 2016, 02:58:32 AM

Quote from: barberman91 on August 27, 2016, 10:41:45 PM
ok the cluster is off of the bike. any way of testing the tach? I cant seem to find any wiring schematic. I'm thinking I could fire up the bike and test for volts if I knew what wires to hook onto.

http://www.fj1100.it/content/download/index.php?lng=ENG

Find Clymer manual here, you have all the wiring diagrams.

Pat Conlon · August 28, 2016, 10:32:49 PM

The wiring diagram specific to the year of your FJ can also be found in the back of the Owners Handbook.

Lots of good stuff in the Owners Handbook (like how to test your oil/fuel gauge bulbs, etc)

It is a recommended read. It's a free download. See my signature line for the link.

barberman91 · August 28, 2016, 10:46:40 PM

Thanks a lot guys, I'm going to check out the diagrams. I'm also going to check all the wiring at the coils, I've heard that dirty connections there can mess with the tach.

barberman91 · September 03, 2016, 02:16:04 PM

So I looked at the wiring by the coils and found this black ground wire that was cut in half. When I connect the two sides I blow the main fuse. Any ideas?

barberman91 · September 03, 2016, 02:18:08 PM

Picture of wire

ct7088 · September 03, 2016, 02:35:09 PM

Try to follow the wire . Does the wire join another bundle? Is the wire spliced to another wire? The black wire doesn't belong in any of the three connectors in the picture.
Three pin connector is for the main switch (key switch)
Both two pin connectors are for the coils.

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Gauges driving me nuts