2024 FORD F650/750 wiring

ESSENTIAL TOWING CHECKS
See Load limits in the Load Carryingchapter for load specification terms foundon the tire label and Safety Compliancelabel and instructions on calculating yourvehicle's load.
Remember to account for the trailertongue weight as part of your vehicle loadwhen calculating the total vehicle weight.
Hitches
Do not use a hitch that either clamps ontothe bumper or attaches to the axle. Youmust distribute the load in your trailer sothat 10-15% of the total weight of thetrailer is on the tongue.
Safety Chains
Note:Do not attach safety chains to thebumper.
Always connect the safety chains to theframe or hook retainers of your vehiclehitch.
To connect the safety chains, cross thechains under the trailer tongue and allowenough slack for turning tight corners. Donot allow the chains to drag on the ground.
Trailer Brakes
WARNING: Do not connect atrailer's hydraulic brake system directlyto your vehicle's brake system. Yourvehicle may not have enough brakingpower and your chances of having acollision greatly increase.
Electric brakes and manual, automatic orsurge-type trailer brakes are safe if youinstall them properly and adjust them tothe manufacturer's specifications. Thetrailer brakes must meet local and federalregulations.
The rating for the tow vehicle's brakingsystem operation is at the gross vehicleweight rating, not the gross combinedweight rating.
Trailer Lamps
WARNING: Never connect anytrailer lamp wiring to the vehicle's taillamp wiring; this may damage theelectrical system resulting in fire. Contactyour authorized dealer as soon aspossible for assistance in proper trailertow wiring installation. Additionalelectrical equipment may be required.
Trailer lamps are required on most towedvehicles. Make sure all running lights, brakelights, turn signals and hazard lights areworking.
Before Towing a Trailer
Practice turning, stopping and backing upto get the feel of your vehicle-trailercombination before starting on a trip.When turning, make wider turns so thetrailer wheels clear curbs and otherobstacles.
When Towing a Trailer
•Check your hitch, electrical connectionsand trailer wheel lug nuts thoroughlyafter you have traveled 50 mph(80 km/h).
•When stopped in congested or heavytraffic during hot weather, place thetransmission in park (P) or neutral (N)to aid engine and transmission coolingand to help air conditioningperformance.
•Turn off the speed control with heavyloads or in hilly terrain. The speedcontrol may turn off automaticallywhen you are towing on long, steepgrades.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingTowing

Sometimes irregular tire wear canbe corrected by rotating the tires.
USING SNOW CHAINS
WARNING: Wheels and tires mustbe the same size, load index and speedrating as those originally fitted on thevehicle. Use of any other tire or wheelcan affect the safety and performanceof your vehicle. Additionally, the use ofnon-recommended tires and wheels cancause steering, suspension, axle, transfercase or power transfer unit failure.Follow the recommended tire inflationpressures found on the SafetyCompliance Certification label, or theTire Label on the B-Pillar or the edge ofthe driver door. Failure to follow thisinstruction could result in loss of vehiclecontrol, vehicle rollover, or personal injuryor death.
The tires on your vehicle have all-weathertreads to provide traction in rain and snow.However, in some climates, you may needto use snow tires and cables. If you needto use cables, it is recommended that steelwheels (of the same size andspecifications) be used, as cables may chipaluminum wheels.
Note:The suspension insulation andbumpers help prevent vehicle damage. Donot remove these components from yourvehicle when using snow tires and chains.
Follow these guidelines when using snowtires and chains:
•If possible, avoid fully loading yourvehicle.
•Install chains securely, verifying thatthe chains do not touch any wiring,brake lines or fuel lines.
•Drive cautiously. If you hear the chainsrub or bang against your vehicle, stopand retighten the chains. If this doesnot work, remove the chains to preventdamage to your vehicle.
•Remove the snow chains when theyare no longer needed. Do not use snowchains on dry roads.
Please contact your upfitter for approvedsnow chain types/sizes and otherrecommendations for snow chain use.
CHANGING A ROAD WHEEL
If you get a flat tire while driving, do notapply the brake heavily. Instead, graduallydecrease your speed. Hold the steeringwheel firmly and slowly move to a safeplace on the side of the road.
Tire Change Procedure
WARNING: To help prevent yourvehicle from moving when changing awheel, shift the transmission into park(P), set the parking brake and use anappropriate block or wheel chock tosecure the wheel diagonally opposite tothe wheel being changed. For example,when changing the front left wheel,place an appropriate block or wheelchock on the right rear wheel.
WARNING: Do not get under avehicle that is supported by a jack.
WARNING: Never place anythingbetween the vehicle jack and yourvehicle.
WARNING: Never place anythingbetween the vehicle jack and the ground.
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingWheels and Tires

ELECTROMAGNETIC
COMPATIBILITY
WARNING: Do not place objectsor mount equipment on or near theairbag cover, on the side of the front orrear seatbacks, or in areas that maycome into contact with a deployingairbag. Failure to follow theseinstructions may increase the risk ofpersonal injury in the event of a crash.
WARNING: Do not fasten antennacables to vehicle wiring, fuel pipes andbrake pipes.
WARNING: Keep antenna andpower cables at least 4 in (10 cm) fromany electronic modules and airbags.
Note:We test and certify your vehicle tomeet electromagnetic compatibilitylegislation. It is your responsibility to makesure that any equipment an authorizeddealer installs on your vehicle complies withapplicable local legislation and otherrequirements. Installation of someaftermarket electronic devices coulddegrade the performance of vehiclefunctions, which use radio frequency signalssuch as broadcast radio receiver, tirepressure monitoring system, push buttonstart,Bluetooth® connectivity or satellitenavigation.
Note:Any radio frequency transmitterequipment in your vehicle (such as cellulartelephones and amateur radio transmitters)must keep to the parameters in thefollowing illustrations and table. We do notprovide any other special provisions orconditions for installations or use.
Car/SUV
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2024 F-650/750 (TBC) , enUSA, Edition date: 202210, First-PrintingAppendicesE239120