For Installing an aftermarket car radioWires are color coded to match you new aftermarket radio - Carxtc wiring makes your installation quicker No need to tap or cut into factory harness Match color wire to same color on new radio harness Plugs into car harness and then other end into new radio. Fits DODGE ASPEN 1976 to 1980 1976 1977 1978 1979 1980 76 77 78 79 80