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Aug 11, 2010 | 07:06 PM

05gmc

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Launching!

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efans

need help put 05 efans now while the truck is running the dome light and the volt guage pulses i used 2 relays

Oct 13, 2010 | 06:19 PM

cm2677

Teching In

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I just installed an LS1 fan in my 03 silverado and I am seeing the samething. I read somewhere that an overdrive pulley on the alternator would help. The other choice is to install a 145 amp alternator.

Oct 14, 2010 | 06:22 PM

jdgoodcat

Staging Lane

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Had similar problem.. My system is underpowered..better alternator is way to go

Oct 14, 2010 | 07:00 PM

andrew383

traveling mod

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From: so. indiana/texas

Check the grounds also..

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