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Installing Driving Lights 120-130

posted by  Phil S. on  Thu Jul 31 11:18 CST 2003
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last visit: Fri Oct 24 13:18 CST 2014
[RELATED]

I'm running two 130W high beams on a single Hella relay. Very common relay rated for 40A, more than twice what both your lights will draw.

Part # on the box = 87402
Part # on the relay = 4RA 931 210-01

I must differ with Evan about the fuse location -- fuse the load, not the relay with a new fuse:

12V from alternator -> relay -> new 30A fuse -> both lights

Use 12ga wire throughout this circuit. 16ga is fine for the switch / relay armature circuit.






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