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Re: Programming keyfobs on 03 silverado 2500 LT
connect a jumper wire between the keyless entry program enable signal circuit of the data link connector(dlc pin 8 bk/wh wire) and a good ground.
press and hold the lock button and the unlock button simultaneously on one transmitter.after a delay of approximately 10 seconds the doors will lock and unlock to confirm the programming of that transmitter.program additional transmitters within 1 minute press and hold any button on the next transmitter. after a delay of 2 seconds doors will lock unlock repeat previous step to program up to 4 transmitters.
kdolson
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