Section 14-00: Battery and Charging System, Service
1996 F-150, F-250, F-350, F-Super Duty and Bronco Workshop Manual
DIAGNOSIS AND TESTING

Electrical Schematics



Charging System, Gasoline






Charging System, Diesel






Charging System, 215-Ampere Generator, 7.3L Diesel Engine






Charging System, Motorhome






Generator Voltage Regulator Connector, Motorcraft and Mitsubishi






Pin NumberCircuitCircuit Function
136 (Y/W) *Generator Output to Power Distribution
24 (W/BK)Voltage Regulator S Terminal to Generator S Terminal
3904 (LG/R)Voltage Regulator to Charge Indicator
* Motorcraft generator only.


Instrument Cluster Connector C1






Pin NumberCircuitCircuit Function
1904 (LG/R)Charge Indicator Lamp
2932 (GY/W)High Beam Indicator Input
357 (BK)Ground
4450 (DG/LG)Fasten Belt Indicator Input
529 (Y/W)Fuel Level Input (with Tachometer)
619 (LB/R)Instrument Cluster Illumination Input
757 (BK)Ground
7398 (BK/Y)Ground a
82 (W/LB)Right Turn Input
9648 (W/PK)Tachometer Input Signal
10398 (BK/Y)Tachometer Ground b (for 8 Cyl.)
11784 (LB/BK)Low Range Indicator Input
12210 (LB)4x4 Indicator Input
13640 (R/Y)Power Supply in RUN and START
1416 (R/LG)Charge Indicator Input
a Bronco only.
b Gasoline only.


Ignition Switch Connector






Pin NumberCircuitCircuit Function
B137 (Y)Battery to Load
B237 (Y)Battery to Load
B337 (Y)Battery to Load
B437 (Y)Battery to Load
B537 (Y)Battery to Load
A1297 (BK/LG)Accessory Feed from Ignition Switch
A2687 (GY/Y)Accessory Feed
A3687 (GY/Y)Accessory Feed
A4687 (GY/Y)Accessory Feed
P2512 (T/LG)Bulb Test
GND57 (BK)Ground
STA32 (R/LB)Starter Control
P141 (BK/LB)Warning Lamp Proveout
I116 (R/LG)Ignition Switch to Ignition Coil Battery Terminal
I2—Not Used