harley davidson battery

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Battery Question for High Compression

How do I check the to see if the correct AMP amount is be sent to starter. 1. How does an owner check that? 2. Does the battery of a Harley with a 1450ci engine and one with a 1650ci engine with high compression require the same crank amp battery? Via Email Harley batteries last…

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Harley Battery Overcharging

What would cause the Harley battery to overcharge on 1989 Softtail? Via Email Typically when a Harley battery overcharges, a bad voltage regulator. We recommend testing your charging system. Related Fix My Hog Videos: Charging System Diagnosis Electrical Systems Have more questions? Check out our Q&A index page to find some answers.

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Battery Box Removal

Would like to know how to remove the battery box? Thanks! Via Email This is really simple. First, remove your seat and disconnect your battery, the negative cable 1st. Best to disconnect the negative cable from the frame, as opposed to the battery on this model m/c. Use a 1/2″ socket to remove these two…

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Engine and Oil Lights Flicker

My Engine and Oil Lights come on intermittently when my voltage drops for some unknown reason. This does not happen all the time and sometimes for very short periods. If when I first crank up I have a low voltage registering on my gauge I can ride until I hit a bump in the road…

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Winter Projects

Hi, first off I love this website and all the work you guys do, it really takes a lot of the guess work out of doing your own maintenance. I have two questions as I am currently in the middle of some winter time maintenance and modifications. 1. Is it imperative that I disconnect the…

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Harley Davidson Not Starting

I have a 2010 ultra classic with ABS. It is not starting. The battery voltage is 12.75 off the battery. When I turn the main switch on, I get a drop to 12.5, and when the kill switch is turned on, I get a drop to 12.38. The self test goes out and hit the…

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Battery or Fuse

2013 Sportster Seventy-Two recently I replaced the battery due to the previous one being dead and not holding a charge. However now after the new battery is installed when I hit the ignition nothing happens. The lights are on and there is no do dimming or any of the other signs of a dead battery…

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Barely Starts

I have a 2014 FatBoy. Having trouble starting it up not sure if it’s the battery or what is going on? One day it will start right up the next day it acts like the battery is low. Slowly cranks up and barely starts it. On the gauge it says in the low range with…

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Load Test Battery

I’ve pulled enough hair out I need help. I have replaced battery, ignition relay, starter, checked connections, looked for loose wires. The bike still won’t start! The battery is at 12.4 volts when I take charger off. I try to start bike it might turn over a couple times then acts like battery is to…

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