2009 Chevrolet HHR pinouts
The connector/pinout information may be applied to the Chevrolet (show all pinouts) model HHR
General Motors (GM) OBD II diagnostic interface pinout for Chevrolet HHR produced after 2008 obd-II pinout for Buick, Chevrolet, Cadillac, Pontiac, GMC, Holden
Chevrolet (2007-2010) Cobalt, Chevy HHR, Pontiac G5 Head Unit pinout for Chevrolet HHR of 2007 - 2010 years p/n 25834576, 20795334, 20835358, 20919528