Originally posted by projectSHO89:
While there may be 5 V sources in the vehicle, I suggest not messing with them. You screw them up, the engine won't run.
A simple +12 to +5 volt supply can be made with a 7805 (or LM340T-5) IC and a couple of capacitors for noise and voltage stabilization. A lot depends on how much load current you need to draw and what the actual load device is.
Steve
What he said.
My Cars
1999 Silver Frost SVT - 80,000km #2603/2760 Aug. 10, 1999.
1996 Mercury Mystique LS V6 MTX - retired @ 323,151km.
1995 Ford Contour V6 MTX-sold @ 214,000km
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