which PCM?
#4
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You have the E38...that is the ECU up to 07 then the last year they made the car and the first year they tried the new GM across the auto board ECU was the E67....it still has 3 clamp connectors....
#6
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Thanks gentlemen, sitting here at the shop waiting for my cutout to get installed and have been talking to steve at tuned by frost about a mail order tune for my GXP. So I don't sound like an apache chopper when dod kicks in