1998 FORD E SERIES auxiliary battery

Fuse/Relay
LocationFuse Amp
RatingDescription
6 10A Shift Interlock, Speed Control, DRL Module
7 10A Multi-Function Switch, Turn Signals
8 30A Radio Capacitor(s), Ignition Coil, PCM Diode,
PCM Power Relay, Fuel Heater, Glow Plug
Relay (Diesel)
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 - Not Used
27 5A Radio
28 25A Power Plug
Roadside emergencies
81

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 (1998 1/2 Vehicles)
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
83

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 - Trailer Backup Lamps Relay
D - Trailer Running Lamps Relay
E - Trailer Battery Charge Relay
F - IDM Relay
G - PCM Relay
H - Blower Motor Relay
J - Horn Relay
K - Fuel Pump Relay, IDM Relay (Diesel)
Relays
Relays are located in the power distribution box and should be replaced
by qualified technicians.
Roadside emergencies
84

3. The relearning process will automatically complete as you drive the
vehicle.
²If you do not allow the engine to relearn its idle, the idle quality of
your vehicle may be adversely affected until the idle is eventually
relearned.
²If the battery has been disconnected or a new battery has been
installed, the clock and the preset radio stations must be reset once
the battery is reconnected.
²Always dispose of automotive
batteries in a responsible manner.
Follow your community's
standards for disposal. Call your
local recycling center to find out
more about recycling automotive batteries.
Disconnecting dual batteries (if equipped)
The primary battery is located under the hood.
The auxiliary battery is located on the passenger side frame rail.
Maintenance and care
109

Gasoline engines
Disconnect:
1. Disconnect the primary battery
ground cable.
2. Disconnect the auxiliary battery
frame ground.
Remove the ground bolt.
Pull the cable away from the frame
and make sure that the cable does
not contact the frame.
Connect:
1. Reconnect the auxiliary battery
frame ground.
Maintenance and care
110