1200I electrical problem.


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PEHearn
Posts: 5
Joined: Sat Aug 01, 2015 5:06 pm
Location: Pampa, TX
Motorcycle: 1985 GL1200 Interstate

1200I electrical problem.

Post by PEHearn » Wed Dec 23, 2015 10:54 pm



I have a 1985 GL11200 Interstate. I recently replaced my battery and all appeared fine. Road it for a few days. Then one day at work, as I was getting ready to leave, It appeared dead. Tried jumping it off, nothing. Let it sit over night. Clock on my radio started working. But as soon as I put my key in the ignition and turned it, the clock reset to 12:00. I have checked everything I can think of and cannot find the problem. Any help would be greatly appreciated.



Aussie81Interstate
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Motorcycle: 2001 GL1500F6C Valkyrie
1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500 (sold)

Re: 1200I electrical problem.

Post by Aussie81Interstate » Thu Dec 24, 2015 12:19 am

Sounds like a definite electrical issue.

If you have a multimeter - start checking the voltage from the battery forward to the ignition switch - could be a bad earth or a shorted or loose wire at the base of the ignition.

Why did you put a new battery in? did the old one suddenly die?

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ct1500
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Re: 1200I electrical problem.

Post by ct1500 » Thu Dec 24, 2015 5:37 am

Charge and load test battery.

Check battery charging voltage both at idle and 3k RPM.

Test for key off battery draws.
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PEHearn
Posts: 5
Joined: Sat Aug 01, 2015 5:06 pm
Location: Pampa, TX
Motorcycle: 1985 GL1200 Interstate

Re: 1200I electrical problem.

Post by PEHearn » Thu Dec 24, 2015 11:19 pm

well, went today to start tracing the electrical lines. put the key in the bike, turned it on, and it cranked right up. still have no idea what caused the malfunction as all is working quite nicely right now.

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HALBUDD
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Motorcycle: 1984 gl1200a&1985GL1200A & 1996 gl 1500 aspy. us army 74-77

Re: 1200I electrical problem.

Post by HALBUDD » Fri Dec 25, 2015 12:32 am

One thing I would also have you check is the key switch,check the wires going into the bottom of the switch. The 1984s had a recall on the key switchs, but the 85s were fixed. Also look at the dog bone fuse for any hair line cracks.-------------------------------Hal
A woman that can use tools is worth her weight in gold !!

PEHearn
Posts: 5
Joined: Sat Aug 01, 2015 5:06 pm
Location: Pampa, TX
Motorcycle: 1985 GL1200 Interstate

Re: 1200I electrical problem.

Post by PEHearn » Sun Feb 07, 2016 5:35 pm

Okay, think I've got this fixed. Upon looking for the dogbone fuse, I found that it had been changed out to a 30a blade fuse. This was fine. And being curious, I unplugged the contacts down from it. Cleaned it and reattached it. Everything appears to be fine now. And I always thought bikes would be easier to work on than cars. LOL



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