1999 FORD E SERIES auxiliary battery location

Fuse/Relay
LocationFuse Amp
RatingDescription
8 30A Radio Capacitor(s), Ignition Coil, PCM
Diode, PCM Power Relay, Fuel Heater,
Glow Plug Relay (Diesel Only)
9 30A Wiper Control Module, Windshield Wiper
Motor
10 20A Main Light Switch, (External Lamps)
Multi-Function Switch (Flash-to-pass)
11 15A Brake Pressure Switch, Multi-Function
Switch (Hazards), RABS, Brake Pedal
Position Switch
12 15A Transmission Range (TR) Sensor, Auxiliary
Battery Relay
13 15A Blend Door Actuator, Function Selector
Switch
14 5A Instrument Cluster (Air Bag and Charge
Indicator)
15 5A Trailer Battery Charge Relay
16 30A Power Seats
17 Ð Not Used
18 Ð Not Used
19 10A Air Bag Diagnostic Monitor
20 5A Overdrive Cancel Switch
21 30A Power Windows*
22 15A Memory Power Radio
23 20A Cigar Lighter, Data Link Connector (DLC)
24 5A Illuminated Entry Module
25 10A Left Headlamp (Low Beam)
26 Ð Not Used
27 5A Radio
28 25A Power Plug
29 Ð Not Used
30 15A Headlamps (High Beam Indicator), DRL10A
Roadside emergencies
128

The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingDescription
1 Ð Not Used
2 Ð Not Used
3 Ð Not Used
4 10A PCM Keep Alive Memory, Instrument
Cluster
5 10A Right Trailer Turn Signal
6 10A Left Trailer Turn Signal
7 Ð Not Used
8 60A I/P Fuses 5, 11, 23, 38, 4, 10, 16, 22, 28
9 30A PCM Power Relay, Engine Compartment
Fuse 4
10 60A Auxiliary Battery Relay, Engine
Compartment Fuses 14, 22
11 30A IDM Relay
12 60A Engine Compartment Fuses 26, 27
13 50A Blower Motor Relay (Blower Motor)
AB3
2
146 5715 14 13 12 11 10 9 823 22 21 20 19 18 17 1624 26 25 27
29
CDG F EK J H
28
Roadside emergencies
130

Fuse/Relay
LocationFuse Amp
RatingDescription
14 30A Trailer Running Lamps Relay, Trailer
Backup Lamps Relay
15 40A Main Light Switch
16 50A RKE Module, Auxiliary Blower Motor Relay
17 30A Fuel Pump Relay, IDM (Diesel)
18 60A I/P Fuses 40, 41
19 60A 4WABS Module
20 20A Electric Brake Controller
21 50A Modified Vehicle Power
22 40A Trailer Battery Charge Relay (Modified
Vehicles Only)
23 60A Ignition Switch
24 Ð Not Used
25 20A NGV Module
26 10A Generator/Voltage Regulator (Diesel Only)
27 15A DRL Module, Horn Relay
28 Ð PCM Diode
29 Ð Not Used
A Ð Not Used
B Ð Not Used
C Ð Trailer Backup Lamps Relay
D Ð Trailer Running Lamps Relay
E Ð Trailer Running Lamps Relay
F Ð IDM Relay
G Ð PCM Relay
H Ð Blower Motor Relay
J Ð Horn Relay
K Ð Fuel Pump Relay, IDM Relay (Diesel)
Relays
Relays are located in the power distribution box and should be replaced
by qualified technicians.
Roadside emergencies
131