Battery Charger Hooked Up Wrong - BMW Luxury Touring Community
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post #1 of 3 Old Sep 6th, 2010, 11:46 am Thread Starter
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Join Date: May 2010
Location: Maple Grove , MN, USA
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Battery Charger Hooked Up Wrong

Went to ride Bike after sitting idle 2 weeks and Battery was dead. Hooked up my combo Starter/Charger as I have done in the past and noticed almost immediately, after hooking up leads and powering up, I Brain Farted big time and connected Charger Leads backwards . Unhooked quick as possible. No smoke or smoke smell. Checked and found all fuses not blown. Went and bought new Battery and installed. Now getting ABS normal start up noises grinding at all times key turned on. Alarm LED not turning on all of the time upon initial power up. Bike Computer displaying -22 F and --:-- when toggling between other BC options, and naturally Bike not starting. Radio does not display or play either.

How much damage have I caused. Hoping some components protected.

Lastly I had just replaced Factory Radio ($$) as Left Channel was failing and added Dice for iPod (worked fabulously during trip to Black Hills), I assume I have more than likely smoked new Radio.

This Forum has been a fabulous resource for me since I bought my 2004 LT new 6 years ago and hoping for some input as to possible damage from Forum Mechanics

dvhansen17 is offline  
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post #2 of 3 Old Sep 6th, 2010, 1:14 pm
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Join Date: Apr 2002
Posts: 14,436
Re: Battery Charger Hooked Up Wrong

What type of 'new battery' --- lead acid; gel; AGM? Is it fully charged? When you turn on the key, do you hear the fuel pump energize? Just looking for some answers that might help the wrenchers.

Edit; might consider dropping this over in the K1200LT forum - more hits over there by the wrenchers.
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post #3 of 3 Old Sep 6th, 2010, 1:25 pm Thread Starter
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Join Date: May 2010
Location: Maple Grove , MN, USA
Posts: 5
Re: Battery Charger Hooked Up Wrong

Werker AGM Battery fully charged. Bought new one immediately after ##!!** up hoping evrything would be fine. Noise I now continuelly get must be the fuel pump? Sounds just like noise I used to get when turning ignition key to on.

Thanks for the reply and posting advice Dick. Will post on other forum.
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