- 1998–2002 Factory-verified
9L4 Factory-verified
Also described as Wiring provisions, 12 volt power supplyPower supply, 12-volt (SEO)Power supply, 12 volt
Also documented for GMC
Documented applications
- 2001, 2005, 2007 Factory-verifiedGM Heritage factory kit — 2005 Chevrolet Silverado 1500, p.196.GM Heritage factory kit — 2007 Chevrolet Silverado, p.276.
- 2001, 2002, 2005 Factory-verified
years from Heritage kit pages, not in GM’s service list of that year: 2002 (kit list); 2005 (order guide)
GM Heritage factory kit — 2002 Chevrolet Silverado HD, p.45.GM Heritage factory kit — 2005 Chevrolet Silverado 2500HD, p.208.
- 2001 Factory-verified
- 2001, 2003, 2006 Factory-verifiedGM Heritage factory kit — 2003 Chevrolet Tahoe, p.157.GM Heritage factory kit — 2006 Chevrolet Tahoe, p.151.
- 2007 Factory-verified
SEO. The Commercial Fleet pages print it as Power supply, 12 volt (MSRP $168.00): a direct supply from the battery with two fused circuits.
GM Heritage factory kit — 2007 Chevrolet Tahoe, p.171, p.176.
This page aggregates every documented appearance of 9L4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.