Unwanted Switch to Gas/Fuel Indicator Lamp Inop (Replace Cooling Fan/CNG Fuse)

Some customers may comment on one or more of the following conditions.

Some of the above vehicles may have been assembled with a maxi fuse with an incorrect amperage rating. The fuse is located in the cooling fan location of the engine compartment fuse/relay center.

Replace the 30A maxi fuse with a 40A maxi fuse. Apply a new label P/N 52369997 to the fuse/relay center cover. Replace the Bi-Fuel Owner's Manual supplement with P/N 52370007. Use the procedure and part numbers listed below.

1. Remove the engine compartment fuse/relay center cover (1).
2. Remove the 30A maxi fuse in the cooling fan location.
3. Install the new 40A maxi fuse into the cooling fan location.
4. Remove the old label from the engine compartment fuse/relay center cover.
5. Clean the surface of the cover with one of the cleaners listed below, or equivalent.

•	3M® General Purpose Adhesive Cleaner, P/N 08984

•	Dominion Sure Seal Sure Solve Stock BSS

•	Kent Acrysol™

6. Install the new label on the fuse/relay center cover and reinstall cover.
7. Place the new Owner's Manual supplement into the instrument panel (IP) compartment. Remove and discard the old manual, if present.

Parts are currently available from GMSPO.

For vehicles repaired under warranty, use: