Aftermarket radios don't use dash light wires. The mistake most people make is there is no ground wire in the two 7-pin connectors. If you use an ohm meter to "find" the ground wire, the black / yellow is usually used because it reads very low resistance to ground, but it is reading through all of the tail lights. The orange wire also reads real low because it is reading through all of the dash lights, then to ground. If the orange wire is used for ground, that circuit will be shorted through the case of the radio, then through the antenna cable''s outer ground shield. The dash lights fuse will blow. If the black / yellow is used for the ground wire, the tail lights fuse will blow. The dash light circuit taps off the tail light circuit, so those will be dead too.
If you removed a Chrysler AM / FM / CD / cassette combo radio, that is the highest quality radio I have ever worked on. They do develop a few common problems, but once repaired, they are repaired for life. I sell a lot of these for upgrades at old car show swap meets.
Monday, April 10th, 2017 AT 11:04 AM