2010 FORD F550 heater

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Page 268 of 408

FORD F550 2010  Owners Manual Prior to using the engine block heater, follow these recommendations for
proper and safe operation:
• For your safety, use an outdoor extension cord that is product
certified by Underwriter’s labo

Page 269 of 408

FORD F550 2010  Owners Manual How to Use the Engine Block Heater
Ensure the receptacle terminals are clean and dry prior to use. To clean
them, use a dry cloth.
Depending on the type of factory installed equipment, your engine blo

Page 311 of 408

FORD F550 2010  Owners Manual WARNING: Always disconnect the battery before servicing high
current fuses.
WARNING: To reduce risk of electrical shock, always replace
the cover to the power distribution box before reconnecting the

Page 312 of 408

FORD F550 2010  Owners Manual Fuse/Relay
Location Fuse Amp
Rating Protected Circuits
9 40A* ABS module (Coil)
10 20A* Instrument panel power point/cigar
lighter
11 20A* Instrument panel power point
12 15A** Brake on/off (BOO) rela

Page 332 of 408

FORD F550 2010  Owners Manual 4. Check all battery terminals and remove any excessive corrosion before
you attach the battery cables. Ensure that vent caps are tight and level.
5. Turn the heater fan on in both vehicles to protect

Page 405 of 408

FORD F550 2010  Owners Manual refill capacities ........................391
Event data recording ....................8
Exhaust fumes ..........................267
F
Fail safe cooling ........................369
Family entertainmen
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