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Old 09-16-2014, 07:50 PM   #1
scbrett OP
Joined: Sep 2014
Location: Oregon
Oddometer: 4
ktm 640 adv electrical problems

My 99 ktm 640 adv is having intermittent electrical problems. My trip master isn't saving the time or the overall mileage. It does save the trip odometer tho. Is this a problem with the trip master or is this an electrical problem leading to the trip master. Also I've been blowing the fuse that is connected to the turn signals, tripmaster(odometer, speedometer), tachometer, and neutral light. Could this all be coming from the tripmaster? My thought is that it's an electrical problem somewhere else. I've gone thoroughly through the wiring but can't find any open circuits. Also I've found a couple wiring connectors that aren't connected but have nowhere to connect to coming from the tachometer and tripmaster. The one from the trip master is three wire connection with a purple wire, blue wire, and grey wire. The other is a two wire connector with a brown wire and a blue and yellow wire that comes from the main wire cluster. I have all the wiring diagrams but don't see these on it and can't figure it out. Any advice.
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Old 09-16-2014, 07:53 PM   #2
Joined: Jul 2005
Location: Traveler
Oddometer: 4,848
Grounds good?

'02 KTM 640 Adventure-lowered
"On the road there are no special cases."
Cormack McCarthy-The Crossing

The faster it goes the faster it breaks.
And high performance=high maintenance.
Bill Shockley
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Old 09-16-2014, 08:37 PM   #3
scbrett OP
Joined: Sep 2014
Location: Oregon
Oddometer: 4

Yeah grounds are all good.
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Old 09-16-2014, 09:19 PM   #4
on the gas or brakes
wrk2surf's Avatar
Joined: Dec 2007
Location: THE exact center of California/Bass lake/Yosemite
Oddometer: 6,280
The older trip masters just plain go bad quite often.
Thanks for the 2015 support: BELL HELMETS, SCOTT USA, Kriega USA, SEATCONCEPTS.COM ,, GPR stabilzers, Sidi/Motonation, Masters paint and body, Magura , Motolab , Loctite and Dunlop tires .
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