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Old 10-19-2010, 11:03 PM   #1
Westfaling
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Default GSX 750F Lighting Problem

I can't get the high beams (Brights) to work on my 2006 Katana. The flash to pass works to bring on the high beams but the "Dimmer Switch" doesn't. I pulled the switch apart and it looked fine as did the cable connector behind the fairing. Any thoughts?
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Old 10-20-2010, 09:31 AM   #2
The_AirHawk
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It has to be in that switch - IIRC the "Flash to pass" is merely a momentary-switch that jumpers-across the Hi-Lo-beam latching switch.

Did you go-ahead and clean & lube the switch while you had it apart? Use silicone-grease or some other plastic-safe lube, petro-lubes will break-down plastic.
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Old 10-20-2010, 10:59 AM   #3
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I'd check the relay.
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Old 10-20-2010, 11:40 AM   #4
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Quote:
Originally Posted by seruzawa View Post
I'd check the relay.
Is there even a separate relay for hi-beam? Sure, there's one to keep the headlights-off until the bike's started - but I don't believe it does anything other than provide power to the hi-lo and flash switch.

To be certain, I would check a MANUAL with a good wiring-diagram.......
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Old 10-20-2010, 11:44 AM   #5
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Hey! Look what a lil' Scroogling found: 1998-2007 Suzuki GSX600F & GSX750F Katana Online Service Manual : Cyclepedia Press LLC Online Workshop Manuals for ATVs, Motorcycles and Scooters
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Old 10-21-2010, 09:44 PM   #6
Westfaling
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Guys
Thanks for the help. I put the multi meter on the handlebar switch and the multi pin connector - all seemed fine. Then I happened to turn on the ignition with the switch unplugged and the headlight still came on. (It's on all the time on my bike). After reviewing the wiring diagram I noticed that the main beam power supply runs through the right hand starter switch!. I checked the connector and there seemed to be a problem so I pulled the switch apart and found a broken soldered connection. I totally stuffed the switch trying to re-solder it (melted plastic everywhere) so new one is on order but at least I found the problem.
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Old 10-21-2010, 09:45 PM   #7
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Default Problem was in the starter switch!!

Guys
Thanks for the help. I put the multi meter on the handlebar switch and the multi pin connector - all seemed fine. Then I happened to turn on the ignition with the switch unplugged and the headlight still came on. (It's on all the time on my bike). After reviewing the wiring diagram I noticed that the main beam power supply runs through the right hand starter switch!. I checked the connector and there seemed to be a problem so I pulled the switch apart and found a broken soldered connection. I totally stuffed the switch trying to re-solder it (melted plastic everywhere) so new one is on order but at least I found the problem.
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