There are 2 choices

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Electronic Control Module
- (left hand front under battery)
Throttle Control
- (left hand firewall)

Engine Computer for 2003 Chevrolet Avalanche 2500

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There are 2 choices for the 2003 Chevrolet Avalanche 2500 Engine Computer !!!
Choose Your Option

Electronic Control Module (left hand front under battery)
Throttle Control (left hand firewall)

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