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Old 12-21-2010, 07:08 PM   #1
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PIAA 525's.. I need some help

These are the Hi/low model with blue reflectors. I walked into a shop today and they had 3 sets on clearance for $179 each. I got all 3 because its a deal and if I can use them all well Christmas is here.
Do you think I can run 2 sets of these or is it to much on the electrical system?
I think they are going to look good on my new bumper but no since putting on 2 sets if it wont handle it

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Old 12-22-2010, 11:55 AM   #2
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Use relays to power them when you wire them up.

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Old 12-22-2010, 12:09 PM   #3
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It depends on what the draw is on the lights. According to my manual, the alternator puts out 81-124 amps depending on the model.
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Old 12-22-2010, 12:56 PM   #4
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It depends on what the draw is on the lights. According to my manual, the alternator puts out 81-124 amps depending on the model.
It's not the draw it's the crappy factory wiring. Most OEM use the bare minimum for their lamps and if you increase the draw you will melt their wiring and have a fire. I power all my lights direct from the battery with the proper gauge wire and turn them on with a relay which can be triggered with OEM wire & Switches.

I have seen to many vehicles fires caused by this overload.
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Old 12-22-2010, 01:02 PM   #5
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If you are using the right guage wiring and relays, using the factory wiring to trigger them wont cause any damage
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Old 12-22-2010, 01:10 PM   #6
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Here is how to wire the relays.
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Old 12-22-2010, 03:07 PM   #7
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It's not the draw it's the crappy factory wiring.
If you wire them properly, then the amp draw becomes the limiting factor. You do not want to exceed your alternators capacity, or you will be draining the battery rather than charging it. That can lead to a dead battery at the side of a trail in the middle of BFE.

Personally I prefer not to exceed 80% of capacity. Gives a bit of fudge room.
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Old 12-22-2010, 03:12 PM   #8
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If you wire them properly, then the amp draw becomes the limiting factor. You do not want to exceed your alternators capacity, or you will be draining the battery rather than charging it. That can lead to a dead battery at the side of a trail in the middle of BFE.

Personally I prefer not to exceed 80% of capacity. Gives a bit of fudge room.
I agree but first you MUST wire them properly to prevent forest fires.
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Old 01-08-2011, 11:04 AM   #9
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These include the wiring harnesseswith switch and relay already hooked up. From what I understand just hook them to the power source

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