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I got the H4 LED replacements in today.
Installed them per instructions and it is very apparent they would be useless as low beams, blinding other drivers and getting me ticked by the police.
This seems to be a reoccurring theme with these LEDs.
But I think with some work, adjusting how the H4 LED sits in the housing and some blocking tape they can make good head lights with reasonable street manors.
I powered them up and checked them with my fluke325 amp clamp. They show 16 watts on the low beam and 26 watts on high.
The OE style halogen H4656 low beam by comparison is 58 watts, or 4.5 amps at 13 volts, versus the LEDs 1.25 amps at 12.5 volts.
That is a 6.5 amp savings, kind of nice if you have an alt delete.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 09-01-2015 at 01:51 AM..
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