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01-09-2005, 07:24 PM
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Join Date: Aug 2004
Location: Sunofa Beach
Posts: 149
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This might be helpful for any of you that need an underhood 12v source.
I needed to have a 30A 12v supply under the hood and I noticed that there was a missing "Fog Lamp" relay (since we don't have fog lamps) in the fusebox, under the hood.
BUT there was a 15A mini-fuse marked for the "Fog lamps" anyway.
I checked and found that the fuse supplies current to leg "30" of the missing relay.
So, by changing the 15A fuse to a 30A, and then getting a small spade connector to plug into that open leg "30" of the missing relay, bingo! I had a quick 30A fused tap.
You could use any value mini-fuse (or just use the supplied 15A fuse) in that fuse socket.
__________________
\"I asked my wife for a hummer, she gave me this H2.\"
03 White H2 Adventure, sunroof, Garmin GPS, Air Horns, Diablo Sport Programmer
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01-09-2005, 07:24 PM
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Join Date: Aug 2004
Location: Sunofa Beach
Posts: 149
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This might be helpful for any of you that need an underhood 12v source.
I needed to have a 30A 12v supply under the hood and I noticed that there was a missing "Fog Lamp" relay (since we don't have fog lamps) in the fusebox, under the hood.
BUT there was a 15A mini-fuse marked for the "Fog lamps" anyway.
I checked and found that the fuse supplies current to leg "30" of the missing relay.
So, by changing the 15A fuse to a 30A, and then getting a small spade connector to plug into that open leg "30" of the missing relay, bingo! I had a quick 30A fused tap.
You could use any value mini-fuse (or just use the supplied 15A fuse) in that fuse socket.
__________________
\"I asked my wife for a hummer, she gave me this H2.\"
03 White H2 Adventure, sunroof, Garmin GPS, Air Horns, Diablo Sport Programmer
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01-09-2005, 07:24 PM
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Join Date: Aug 2004
Location: Sunofa Beach
Posts: 149
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|
This might be helpful for any of you that need an underhood 12v source.
I needed to have a 30A 12v supply under the hood and I noticed that there was a missing "Fog Lamp" relay (since we don't have fog lamps) in the fusebox, under the hood.
BUT there was a 15A mini-fuse marked for the "Fog lamps" anyway.
I checked and found that the fuse supplies current to leg "30" of the missing relay.
So, by changing the 15A fuse to a 30A, and then getting a small spade connector to plug into that open leg "30" of the missing relay, bingo! I had a quick 30A fused tap.
You could use any value mini-fuse (or just use the supplied 15A fuse) in that fuse socket.
__________________
\"I asked my wife for a hummer, she gave me this H2.\"
03 White H2 Adventure, sunroof, Garmin GPS, Air Horns, Diablo Sport Programmer
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01-10-2005, 12:14 AM
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Hummer Authority
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Join Date: Nov 2004
Location: Little Rock, Arkansas
Posts: 1,784
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PhilD I agree completely. If You need 15 amp source go for it. Not on a H2 but I unbolted a box on another GM vehicle a couple years ago for a similar situation, needing more amps than available, and the wire under the panel was gaged apropriately for the amps available. So what did i do i used a 10 amp vacant terminal for a 25 amp draw and melted and shorted stuff. It was a spray boom with a relay but still applies as Phil said be careful.
TAZ
__________________
05 H2 SUV cus. paint, Magnuson SC 6/12lb boost, cowl hood scoop, 12" dash touchscreen, GM elec. fans, HPTuners.com tuning soft., Dynatech headers dual catback exhaust Jet Hot chrome front to back Flowmaster Super 40's, Diamo 8 Karat rims & 325X60-20" Toyo, 4 OEM Captain seats Katzkins leather, rear console computer inside running all AV/NAV etc., Infinity component system 3 amps Tsunami Caps, rear flip down 12" monitor, headrest monitors, overhead console boost, fuel pressure, & A/F ratio gauges
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01-10-2005, 12:57 AM
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Banned
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Join Date: Jan 2003
Posts: 24,247
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<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by PhilD:
If you need 30 amps, direct from the battery would most probably be a better bet. If you need it ignition switched, use a relay.
Just my 2c. <HR></BLOCKQUOTE>Also, Stud 1 and 2 is made just for adding accessories and are easy to hook to.
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