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> Green w/black tracer wire to headlight motors:, What gauge wire
sfrenck
post May 17 2013, 06:06 PM
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Was installing my fog light switch tonight when I started coming across melted wires. 30 minutes later and I've traced the red power wire from the main fuses to the headlight switch to the green w/black tracer wire to the headlight motors.

All that length of wiring in the cabin is just about bare so I'm running a new wire the whole length.

Anyway, back to the question, anyone know what gauge wire I should run?

Guess that's one reason why my headlight motors are intermittent.... (IMG:style_emoticons/default/headbang.gif)
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Mike Bellis
post May 17 2013, 07:08 PM
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If you are running new, use 16ga wire. It is an upgrade from the factory "almost too small" wire.
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JeffBowlsby
post May 18 2013, 10:14 AM
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QUOTE(kg6dxn @ May 17 2013, 06:08 PM) *

If you are running new, use 16ga wire. It is an upgrade from the factory "almost too small" wire.


I would be interested to know your thoughts on upsizing like that Mike. Why the need? Larger wire would be beneficial electrically, no doubt. Do you think the wires were undersized to begin with? The only time I have seen issues is when owners put big loads like 100W headlights through the stock wiring, something the stock wiring was never intended to handle. If the new wire gets too much larger (physically), then wire terminals don't fit and if a group of wires are dramatically upsized, then they don't fit through grommets, connectors holes in the chassis, etc. All the wiring components in a harness are engineered and sized as a system.
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