Tap power from fuse box?
Engineering first
Joined: Oct 2005
Posts: 5,613
From: Huntsville, AL
Re: Tap power from fuse box?
My apologies for posting to this thread. I was afraid it was one of those hydrogen generator systems and didn't realize the lighting kit came with a wiring harness. Having once had a wire begin shorting back to a battery, I had to yank the battery terminal off, I'm very cautious about car wiring.
One last suggestion is to feel the wires or use an IR thermometer to check the wires and system once it is installed. It is so much easier to deal with a hot wire than a burnt one.
GOOD LUCK!
Bob Wilson
One last suggestion is to feel the wires or use an IR thermometer to check the wires and system once it is installed. It is so much easier to deal with a hot wire than a burnt one.
GOOD LUCK!
Bob Wilson
Thread Starter
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Ridiculously Active Enthusiast
Joined: Jan 2007
Posts: 1,389
From: Mid Hudson Valley, New York
Re: Tap power from fuse box?
My apologies for posting to this thread. I was afraid it was one of those hydrogen generator systems and didn't realize the lighting kit came with a wiring harness. Having once had a wire begin shorting back to a battery, I had to yank the battery terminal off, I'm very cautious about car wiring.
One last suggestion is to feel the wires or use an IR thermometer to check the wires and system once it is installed. It is so much easier to deal with a hot wire than a burnt one.
GOOD LUCK!
Bob Wilson
One last suggestion is to feel the wires or use an IR thermometer to check the wires and system once it is installed. It is so much easier to deal with a hot wire than a burnt one.
GOOD LUCK!
Bob Wilson
Honestly though, I learned a few things from your posts. Thank you. And I didn't think to feel the wires once everything was set up...that's a good idea...(I don't have an IR thermometer...).
Thanks,
Mike
Enthusiast
Joined: Aug 2022
Posts: 1
Re: Tap power from fuse box?
Bob in the hybrid battery junction box relay module in my Camry hybrid there is this fuse that is filled with tiny stones and next to it are two empty slots that look like they could be used to power an investor or other device. Are you familiar with the junction box slots I am referring to, and do you know what those other empty slots are for?
Based on this table:
http://www.powerstream.com/Wire_Size.htm
A 12 GA wire should work fine. The initial 20 A. is well within the limits of chassis wiring and the sustained 7.2 A. gives plenty of sustained power margin. However, you won't need a ground wire to the battery. Just find a good electrical ground in the engine compartment.
Sorry but I don't know enough about the Camry wiring and chassis to offer practical advice on routing. I'd suggest looking for the repair manuals with electrical diagram. BTW, that might give you a pointer to the 12 VDC power source from the inverter. Whether or not it can be tapped, the diagram and maintenance manual would be the road map. Just make sure you put a good, inline fuse close to the source.
Bob Wilson
http://www.powerstream.com/Wire_Size.htm
A 12 GA wire should work fine. The initial 20 A. is well within the limits of chassis wiring and the sustained 7.2 A. gives plenty of sustained power margin. However, you won't need a ground wire to the battery. Just find a good electrical ground in the engine compartment.
Sorry but I don't know enough about the Camry wiring and chassis to offer practical advice on routing. I'd suggest looking for the repair manuals with electrical diagram. BTW, that might give you a pointer to the 12 VDC power source from the inverter. Whether or not it can be tapped, the diagram and maintenance manual would be the road map. Just make sure you put a good, inline fuse close to the source.
Bob Wilson
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