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Member
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Join Date: Aug 2019
Location: The Republic of Texas
Posts: 265
Real Name: Kirk
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Member
Join Date: Aug 2019
Location: The Republic of Texas
Posts: 265
Real Name: Kirk
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Wiring a roof bar light - how would you do it?
So...new 300W roof Bar light coming soon.
Truck has:
Stock TRD PRO roof rack
SP 9100 on a power tray with the Blue Sea buss bar.
Auxiliary AGM battery powers the SP9100
Using the SDHQ /SP9100 switch mount instead of the "Toyota style" switches
All current accessories on the SP 9100 are pulling less than 8 AMPS per circuit, so no relays are used on these circuits.
The new Roof Bar puts out 300W (300W/13V=23A) Since the SP9100 high amp circuits are good for 34A There seems to be sufficient cushion to NOT need a separate relay on this. HOWEVER, wiring in a 45A relay would be an easy and (possibly needless?) safety cushion due to the length of the wiring run; and the fact that the bar conceivably could run for hours at a time.
1. Relay on this circuit or no?
2. Ground to battery or Roof Rack?
3. Upsize wire to 10Ga up the roof channel on this application, or no?
How would you do it?
thanks in advance!
AMLOR
__________________
REMEMBER: Birth control prevents Mini-vans...
2019 TRD PRO: Victory 4x4 Blitz bumper & sliders, Smittybilt 12K, Factor 55, Bubba Rope, Van Beest, C4 Fab, Power Tank, Xenon Depot, Cali Raised LED, ARB, SPC UCA's, Rad Rubber, REDARC, StrongBox, TRD Pro front coils, CE Auto Elect., Blue Sea, SDHQ/SP9100, Cornfed, RCI skids, BajaRack "basket", Revolution Gear 4.88's, Dobinsons 300lb over stock rear springs. DrawTight Class IV frame mounted hitch, Method Racing 703 Bead grip.
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