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Old 11-15-2012, 12:44 PM   #13
turboDean
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Join Date: Jan 2010
Location: South Wales (UK)
Posts: 1
My Ride: 330CD M-Sport
Quote:
Originally Posted by rrgcsfb View Post
This is very clever! Couple questions: I see you are using an in-line fuse. How many amps it? Also, wouldn't the lighter outlet now be limited to the 5 amp fuse (minus radio draw)?
If you need more power, you could drive a relay from the radio fuse, and switch the full 15 amps across it. Great find!
I would say that is the case yes as he seems to have linked the output of the radio fuse to the output of the lighter fuse so yes would blow the 5amp radio fuse if u tried to power anything over 5 amps instead of the 15 amp it should be able to take...
It could be done with a relay like u say using any switched live to turn the relay on/off.

The other possible way to do it would be to alter the wiring to the back of the fuse box, cut the permanent live that currently supplies the lighter fuse and link the fuse supply to a switchable live (like the supply to the radio fuse) instead.
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