Chevrolet Low Cab Forward 6.7L Diesel Engine 6500XD (GMNA-Localizing-
U.S.-15749874) - 2022 - CRC - 12/2/21
Vehicle Care
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3. Disconnect the connector (1) for the turn
signal lamp (2) and then remove the
socket.
4. Pull out the bulb (1) from the socket (2)
and replace it with a new one.
5. To install the lights, perform the same
sequence of operations in reverse order,
keeping in mind to turn the socket
clockwise to securely lock it.
If the socket is not locked securely, water
could get inside the light and lead to a
breakdown.
Roofmarker Lamps
1. Loosen the screws (2) and remove the
lens (1).
2. Remove the bulb (3) from the socket (4)
and replace it with a new one.
3. To install the lights, follow the removal
procedure in reverse.
If the screwing procedure is inadequate,
water may infiltrate into the lamp unit.
Sidemarker Lamps (Including Turn
Signal and Cornering Lamps)
Do not replace a bulb with other than the
specified wattage. This will cause abnormal
flashing, particularly for turn signal lamps.
When replacing a bulb, make sure the light
switch is "OFF".
1. Open the front door, remove the rubber
cap (1) in the lower part of the door, and
loosen the nut (2).