O2 Simms, & still SES light.

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11-13-2003, 04:29 PM

#11

GREGGO

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I'll look at it, but 1999 was the last year of the old body and that was only the full size SUV's.

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11-20-2003, 11:34 AM

#12

2ksleeper

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O2 simm problem fixed! The ones I should have bounght for my truck to make the pink wires line up between the connector & simm is part# 104049 (2001-2003 5.3). I tried swaping the pins on part# 104047, which is suppose to be the ones for my truck but the pink wires didn't line up, but it still didn't work. I then thought that I might have damaged the simm so I bought part# 104049 & it didn't work either. Called casper electronics & they said when I installed the incorrect ones on my truck that it would blow the O2 heater fuse. I replaced the blown fuse & installed the #104049 & they work.