Notheryote
Well-Known Member
That’s for IAT2. The whipple tune collects IAT2 via the IMRC harness. This is why they (Lund) have you purchase the VMP IAT harness, because they just have you replace IAT1 with IAT2 and monitor the IAT2 via the IAT1 (also called air charge temp it ACT) because they don’t have the ability in their tune to do it the IMRC way.This plugs into the imrc harness also. I have a harness that plugs into the back of the block and that harness plugs into the imrc harness. Then I have the relay that plugs into the abs fuse. I’m so damn confused lol. This kind of stuff if why I use the forums. I’ll message Lund tomorrow and remind them that I’m using the abs fuse and tell them all is good. Thanks
But, it works out fine because in a forced induction situation from a tune perspective IAT1 doesn’t really matter, just post blower (IAT2) temp because that’s what’s actually entering the cylinders.
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