If you are using the adapter I found that Chevy and Ford use different ones due to different wiring. Had to get one just for GM.
2002 3500 D/A Lt Pewter/Graphite CC Dually,\"Juiced\". Laverne SS Side Steps, DTA Mudflaps, Catch All floor mats, Lund bug catcher, Tekonsha Prodigy brake controller. Reese 20k 5th wheel hitch, JK headlight harness & bulbs, WOW! Autometer boost and EGT gauges, Schefenacker TTT Mirrors, 66 Vette 509 CI-800HP adrenalin machine, 89 Vette, Astro Bass boat/200HP Mercury, 97 Jeep Wrangler, 38ft WW Toy hauler,<br />So many toys, not enough time!