Is everyone with 05 E-fans having voltage drop probelms?
#31
Well i wanted to keep the vehicle close to factory as possible and everything was bolt right on including the factory harness which is actually the foward lamp harness on a 2005 escalade, ext , esv which cost me 140.00 which work out nice i will upload some pic maybe if i get a chance but the nelson harness works the same and cheaper which if im not mistaken is 89.00 plus S&H
#32
Staging Lane
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Originally Posted by 2002C5COUPE
^^That sounds good, I'm glad it worked out so well for you.
Is there any reason to get a Nelson Harness over a Factory harness, now that GM is making them?
Is there any reason to get a Nelson Harness over a Factory harness, now that GM is making them?
The reason I used the Nelson harness was I couldn't find a salvage harness and a new one was about twice as much and I wasn't sure I could adapt it at the time. A year ago I couldn't get a salvage yard to separate it from the main harness but that may have changed as more of them become available. Others have done it now and the factory harness will work but still is more expensive unless you can get one at a salvage yard. The perfect setup would be a factory harness for cheap.
That is good info on the alternator charging module. That has to help some with the voltage drop. I wonder if it would retro fit the 03-04?
Good it was mentioned about the fan airflow tables needing updating as that has not been said. I used the 05 settings and they seem to work fine.
#33
PT's Slowest Truck
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Originally Posted by 2002C5COUPE
I believe the 2005+ models have alternators that "turn off" when they're not needed and come back on when there's an amp draw. I read it was supposed to help fuel eco., im not really sure how it does that, but that's what it said....
To answer the original question of the thread, I see the voltage guage drop when the fans come on high, when the ac compressor engages. It's most noticeable when using the defroster, since the compressor cycles on and off more continuously. I don't even notice when the fans come on low.
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