Heated steering handle bars - BMW Luxury Touring Community
 
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post #1 of 3 Old Apr 19th, 2019, 7:10 pm Thread Starter
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Heated steering handle bars

I have replaced them with good ones. They were reading 9 Ohms on the meter before installation. They don't heat. I checked the fuse it was OK and was replaced with a 7.5Amp instead of 4 A by the last owner. I used the 4 A but still nothing. Can someone provide the electrical drawing so I start from their source? I don't want to remove all the tupperware to find it by chasing wires.
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post #2 of 3 Old Apr 19th, 2019, 8:42 pm
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Re: Heated steering handle bars

Here is an overview and two close ups for wire colors.
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John
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2004 330 Ci Convertable
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Have ridden a Motorcycle in all 48
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post #3 of 3 Old Apr 20th, 2019, 7:43 am
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Re: Heated steering handle bars

Quote:
Originally Posted by nikosK1200LT View Post
I have replaced them with good ones. They were reading 9 Ohms on the meter before installation. They don't heat. I checked the fuse it was OK and was replaced with a 7.5Amp instead of 4 A by the last owner. I used the 4 A but still nothing. Can someone provide the electrical drawing so I start from their source? I don't want to remove all the tupperware to find it by chasing wires.
Thanks
Did the replaced grip set die due to a short circuit? With the 7.5 A fuse, the current allowed during a short would have been nearly twice what BMW intended with the 4 A protection. You may have overheated a wire and shorted it somewhere along the path. You may have to trace the wires from fuse to switch to grip to find the problem. I would do this piece-wise and check for voltage downstream of the switch first and then work towards the grips.

Are both grips failing to heat?

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