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2000 Chevrolet Blazer LS 4.3L 4 Wheel Drive ECM
Posted to GM PowerTrain on 4/30/2004 3 Replies

four wheel drive indicator lights started flashing and controller would click [...] power and ground they were [...] controller problem went away about six months but the clicking sound [...] system will switch from 2 to 4wheel drive fine.

3 Replies Received (View Replies)

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car Vehicle Data

2000 Chevrolet Blazer LS

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Affected4 Wheel Drive ECM
ConditionsMakes Clicking Noise Like Relay Switching
Message Closed

car Vehicle Data

2000 Chevrolet Blazer LS

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Affected4 Wheel Drive ECM
ConditionsMakes Clicking Noise Like Relay Switching