Section 15-00 Audio Systems, Service
1996 F-150, F-250, F-350, F-Super Duty and Bronco Workshop Manual
DIAGNOSIS AND TESTING

Electrical Schematics



Radio Power Distribution






AM Radio






Electronic Stereo Radio






Premium Sound AM/FM Compact Disc Radio






Radio Connector C1, All Non-Premium Sound Radios






Pin NumberCircuitCircuit Function
1694 (BK/LG)Audio Ground
2Not Used
3694 (BK/LG)Audio Ground
4484 (O/BK)Liquid Crystal Display
519 (LB/R)Instrument Panel Lamp Feed
6137 (Y/BK)Ignition (Hot in ACCY or RUN)
757 (BK)Ground
8797 (LG/P)Battery Feed to Stereo



Radio Connector C2, AM, AM/FM, AM/FM Cassette






Pin NumberCircuitCircuit Function
1803 (BR/PK)Amplifier/Speaker Switch Ground to Right Rear Speaker
2806 (PK/LB)Speaker Voice Coil Feed Rear (Right Channel)
3811 (DG/O)Speaker Switch Ground to Right Front Speaker
4805 (W/LG)Speaker Voice Coil Feed Front (Right Channel)
5801 (T/Y)Amplifier/Speaker Switch Ground to Left Rear Speaker
6807 (PK/LG)Speaker Voice Coil Feed Rear (Left Channel)
7813 (LB/W)Speaker Switch Ground to Left Front Speaker
8804 (O/LG)Speaker Voice Coil Feed Front (Left Channel)



Harness Connector to Jumper, Premium Sound AM/FM Compact Disc Radio






Pin NumberCircuitCircuit Function
1694 (BK/LG)Audio Ground
2Not Used
3694 (BK/LG)Audio Ground
4Not Used
519 (LB/R)Instrument Panel Lamp Feed
6137 (Y/BK)Ignition (Hot in ACCY or RUN)
757 (BK)Ground
8797 (LG/P)Battery Feed to Stereo



Radio Jumper Harness Connector, Premium Sound AM/FM Compact Disc Radio






Pin NumberCircuitCircuit Function
1694 (BK/LG)Audio Ground
2Not Used
3694 (BK/LG)Audio Ground
4Not Used
519 (LB/R)Instrument Panel Lamp Feed
6137 (Y/BK)Ignition (Hot in ACCY or RUN)
757 (BK)Ground
8797 (LG/P)Battery Feed to Stereo



Radio Jumper Radio Connector C1, Premium Sound AM/FM Compact Disc Radio






Pin NumberCircuitCircuit Function
1689 (DB)Logic Mute
2Not Used
3694 (BK/LG)Audio Ground
4Not Used
519 (LB/R)Instrument Panel Lamp Feed
6137 (Y/BK)Ignition (Hot in ACCY or RUN)
757 (BK)Ground
8797 (LG/P)Battery Feed to Stereo



Radio Connector C2, Premium Sound AM/FM Compact Disc Radio






Pin NumberCircuitCircuit Function
1855 (LB)RR AMP Input Return
2278 (P/W)Rear Speaker (RH)
3858 (BR)RF Input Return
4279 (W/R)Right Front Speaker
5859 (Y)LR AMP Input Return
6277 (LB/BK)Rear Speaker (LH)
7857 (W/O)LF AMP Input Return
8280 (LG)Left Front Speaker



Premium Sound Amplifier Connector C1






Pin NumberCircuitCircuit Function
1803 (BR/PK)Right Rear Speaker Return (-)
2806 (PK/LB)Right Rear Speaker Feed (+)
3811 (DG/O)Right Front Speaker Return (-)
4805 (W/LG)Right Front Speaker Feed (+)
5801 (T/Y)Left Rear Speaker Return (-)
6807 (PK/LG)Left Rear Speaker Feed (+)
7813 (LB/W)Left Front Speaker Return (-)
8804 (O/LG)Left Front Speaker Feed (+)
9Not Used
10Not Used
11Not Used
12689 (DB)Logic Mute
13694 (BK/LG)Audio Ground
14797 (LG/P)Battery Feed to Amplifier



Premium Sound Amplifier Connector C2






Pin NumberCircuitCircuit Function
1857 (W/O)LF AMP Input Return
2859 (Y)LR AMP Input Return
3858 (BR)RF AMP Input Return
4855 (LB)RR AMP Input Return
5280 (LG)Left Front Speaker
6277 (LB/BK)Rear Speaker (LH)
7279 (W/R)Right Front Speaker
8278 (P/W)Rear Speaker (RH)