Daric LaRone[501st] Posted May 11, 2009 Report Posted May 11, 2009 OK, so I got my Radio Shack 12VDC fan and wired it up to my 9V battery... problem is the battery got so hot I could barely touch it. Diagnosis? Thanks for any help. Quote
Tiepilot1138[TK] Posted May 11, 2009 Report Posted May 11, 2009 Don't touch it? Sorry, couldn't resist. Smitty is pretty good with electric circuits, if I remember right. You might PM him. Quote
Daric LaRone[501st] Posted May 11, 2009 Author Report Posted May 11, 2009 Yeah, I guess I should've asked, "is it normal for the battery to get super-hot". I guess I wanted to be relatively sure that the 9V wasn't going to explode inside my bucket. That might ruin a troop. I often end up PMing Smitty... perhaps he'll see this thread... Quote
cojake Posted May 11, 2009 Report Posted May 11, 2009 Yeah, I guess I should've asked, "is it normal for the battery to get super-hot". I guess I wanted to be relatively sure that the 9V wasn't going to explode inside my bucket. That might ruin a troop. I often end up PMing Smitty... perhaps he'll see this thread... It sounds like you have the thing wired incorrectly. You have it wired as a dead short. This is why it is so hot. This is the way it should be wired. 1st Hook the positive fan wire directly to the positive terminal of the 9 volt battery. Next hook the negative wire from the fan to one side of your on/off switch. You will need to add another short piece of wire and connect it to the other side of your on/off switch. Connect this piece of wire coming from the switch to the negative terminal om the battery. You should be good. You are using the switch to break the connection between ONE of the wires only, not both. Hope this helps Also, make sure you are using a DC fan that is rated to work between 9-12 volts and not an AC fan. Quote
Daric LaRone[501st] Posted May 12, 2009 Author Report Posted May 12, 2009 It worked! Thanks Jason. Quote
cojake Posted May 12, 2009 Report Posted May 12, 2009 It worked! Thanks Jason. I figured as much. The 10 years I spent working as a car stereo installer still comes in handy. Quote
TK-2126_MD[TK] Posted June 3, 2009 Report Posted June 3, 2009 (edited) LOL That also happened to me..... i had the wireing wrong look here: ----------- best of luck!!! Edited March 24, 2022 by gmrhodes13 link removed no longer working Quote
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