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#1
09-17-2007, 12:18 AM
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stuck in wiring 220b65
my 1965 22ob is haveing all sorts of electrical problems, most caused by multiple splices and connections and ties and rot from over the years. Im not much of a electrician and dont want to start a fire or anything so does anyone know if there is a "safe" gauge of wire to use for car- if i use to heavy of wire what are the issues? besides batery cable is 12 gauge wire okay. and i know it has to be stranded not solid thanks for any advise/help
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#2
09-17-2007, 05:31 AM
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Bigger wires will never cause trouble electrically, only smaller.
Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#4
09-17-2007, 11:38 AM
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Quote:
If you are asking this sort of question, it may be the best path to consider a wholesale replacement of the harness. Wire gage is dependent upon the current of the circuit, and a factory harness is molded in specific colors to aid in fault detection. I've recreated a harness from scratch in the past, and given a choice, a replacement harness is one heck of a lot easier to do. It would also appear that one has been offered that would work.  Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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#5
09-17-2007, 08:03 PM
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actually, too large can hurt in terms of current draw in some circuits, but not in your car, other than the starter. BTW, a battery cable is closer to 6 gauge. But those are just snarky details.
For any circuit other than the headlights, alternator and ignition, you can probably use 16 gauge or even 18 guage wire. Those others use 10 and 12 guage and for good reason. Be very careful with those. Lastly, wire guages like I just mentioned are strictly a US thing. The car was built with metric wires, which have specific cross-section measurements in square millimeters. Of course, the results will be pretty close to the american guage system. Work on the wire harness carefully and don't short things together or to ground. That makes a really big mess. Your multi-meter's diode or resistance settings for checking continuity will be destroyed if you accidently connect the meter to a voltage source, so don't do that either. -CTH
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#6
09-18-2007, 08:50 AM
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Speaking of wiring, I really don't like the grounding technique used on the Fintails. There are multiple ground points spread out all over the place, not centrally locaed ones in various places like on my W126. When I re-wire my 220Sb, I'm relocating the ground points and I'll use larger wire. I don;t like call that current moving through the chassis. Better opportunities for rust.
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Regards Warren Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL ENTER > = (HP RPN) Not part of the in-crowd since 1952.
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