GMC Amp Power Tap For some vehicles when upgrading to a radios that needs an amp for increased volume you'll need to tap into the thin pink wire on the amp harness (G-INTAMP). You can tap into the thin pink wire at the amp or at the radio. We ...
For Sync 1 radios, aka Clarion radio for Ford, when first installing these radios the GPS will not work right off the bat most of the time. You will need to clear the radio's DTCs then drive around for a few days to get at least 8 satellite signals ...