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2011 Tacoma TRD Sport Double Cab Long Box
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My 2004 H6 didn't do that, and I believe it was a 100 amp alternator. It couldn't quite keep up if I had all the heated things, lights, blower fan, etc. on at once while idling though, but I guess that's to be expected. Not sure if it would work or not. I imagine you'd have to try to move brackets over at the least.

The 05 could have a higher output alternator. I think the H6 alternator went to 110 amps in 2005, not sure about the H4.
 

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2011 Tacoma TRD Sport Double Cab Long Box
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2,893 Posts
That, or the H4 alt is undersized (90A) and the H6 is just right. (100A)
Especially interesting because many H4 Outbacks of that vintage had the same power options that the H6 models did (heated seats, mirrors, wiper deicers, power driver's seat, etc.).
 
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