Roadside emergencies – FORD 1999 F-550 v.1 User Manual
Page 157

Fuse/Relay
Location
Fuse Amp
Rating
Description
26
20A**
If equipped with Remote Keyless
Entry-Driver Door Unlock Relay Coil,
All Door Unlock Relay Coil, All Door
Lock Relay Coil, Park Lamp Flash
Relay, If not equipped with Remote
Keyless Entry-Power Door Lock
Motors
27
- (Gasoline only)
30A*
(Diesel only)
Gasoline only-Not Used
Diesel only-Injector Driver Module
28
30A**
Trailer Tow Electronic Brake
Controller
29
20A**
Radio
30
--
PCM Power Relay
31
--
Blower Motor Relay
32
--
Two Speed Fuel Pump Relay (Gasoline
only), Injector Driver Module Power
Relay (Diesel only)
33
--
Washer Pump Relay
34
--
Windshield Wiper Park/Run Relay
35
--
Windshield Wiper HI/LO Relay
36
--
Not Used
37
--
PCM Relay Diode
38
--
Trailer Tow Backup Lamp Relay
39
--
Trailer Tow Battery Charge Relay
40
--
Electronic Shift On The Fly Relay #1,
Electronic Shift On The Fly Relay #2
* Mini Fuses ** Maxi Fuses ***Circuit Breaker
Roadside emergencies
157