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Discussion Starter #1
How much current can the built in 12 volt outlet carry? Where is the fuse for it and how big is it? I have a 12 volt compressor and it can pull as much as 10 amps when it first turns on. I have always added my own 12 volt outlet on my bikes before (and plan to add one as soon as I get both my eye surgeries out of the way). So I never worried before, as I always wired and fused for at least 20 amps to those.

Namaste'
Doug in Kentucky
 

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The accessory plug is on a circuit by its self. It has a 10 amp fuse.

If you pull the cover to the left of the locking glove box you will find the fuse box. The fuse for the accessory plug is in a separate fuse carrier by its self on the right end of the fuse panel.

I've run my small 12v compressor on it a number of times with no problems. I do start the engine and leave it idling while I use the compressor though just to make sure I don't drain the battery down where I can't start the bike.
 

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Discussion Starter #4
Thanks guys. Ever since I helped a friend blow the fuse in the Accessory Outlet in his Honda ST1300 (it could carry less than a half amp) I have been a little paranoid about this.

Namaste'
Doug in Kentucky
 

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Circuits are usually fused for twice the normal running current and judging by the size of the wire I wouldn't run much over 5 amps continous (inrush up to 10 amps is fine as long as the running current is 5-6 amps say) from it.
 

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Here's another reason to be careful of using the regular 12 v outlet for running a compressor to pump up a tire. I burned out my ignition and had to replace the key assembly. I now use the battery tender attachment for any heavy current draw.
 

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Discussion Starter #7
Here's another reason to be careful of using the regular 12 v outlet for running a compressor to pump up a tire. I burned out my ignition and had to replace the key assembly. I now use the battery tender attachment for any heavy current draw.
So, you think that you burned out your key assembly by using a compressor with the 12 volt outlet in the glovebox? Interesting.

Namaste'
Doug in Kentucky
 

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I just checked my Service Manual and found out that mine is missing all the wiring diagrams (chapter 20). Now I know why I got such a good price on this thing. What a rip off.

Doug in Kentucky
 

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I use the mating electrical connectors, or just bullet connectors, off my battery tender also. I can charge a phone without having the key on too.
 

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So, you think that you burned out your key assembly by using a compressor with the 12 volt outlet in the glovebox? Interesting.

Namaste'
Doug in Kentucky
Yes, exactly, I was home and I needed to air up my tire, it would have been quite a problem if I had been on a trip when it happened. When examining the ignition assembly I could see that the electrical contacts had gotten hot and melted.
 

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Discussion Starter #11
Yes, exactly, I was home and I needed to air up my tire, it would have been quite a problem if I had been on a trip when it happened. When examining the ignition assembly I could see that the electrical contacts had gotten hot and melted.
Thanks for the heads up on this. I guess I got lucky because my old air pump (which used 12 volts had died). Went to the auto parts store to replace it and found a right angled air chuck with a gauge that I can hook up to my compressor (the one I had for me compressor was a 45 degree chuck). So, unless I get into a situation on the road I am set. I will also be picking up a small 12 volt compressor in the future for bad luck situations.

Namaste'
Doug
 

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What was that compressor rated at? I use mine frequently (to check mainly) without the engine on (lights/dash only). Hate to think I'm slowly melting my ignition switch wiring.

I call upon he who must be named: Le Dude! What's the skinny on that 12v outlet?
 

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That might be OK for very light use, but if you have a flat, and need to run it for a few minutes, you MIGHT have a problem.
 

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I just bought a $9.99 Slime 12v mini air compressor from Walmart. Inside it had a note to use a 15 amp power source and not to use the "OLD 8 amp" cigarette lighter for a power source.
 
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