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Take to a dealership for inputting codes.
It is behind the light switch in the instrument panel.
On the drivers side frame, directly under the driver's side seat on the frame rail,control module and abs pump.
Replace serpentine belt on Chevy avalanche?HOW
drop the pan and replace it
How do you replace the starter on 2002 chevy avalanch
where is it at
Take your car to a Chevy Dealer
I would replace the ignition control module that's in the distributor.
Where is the control module located on the 1983 Chevy blazer
The 2002 Chevy Avalanche does not have user replaceable radio bulbs. The radio needs to be dismantled by a qualified technician to replace the bulbs.
You can replace the ignition control module and the crankshaft position sensor as required.