Hope this will help! 1989 F-150 4 wheel drive, with cruise control, 4.9 six cylinder. Can't find the horn relay. All my other sources say mounted to the cruise control amplifier bracket. Not there on this truck.
I looked forever for that. It is on the passenger side under the side kick plate. Pull the cover off and you will find it there. Good Luck
driver side under the hood inside the power distribution box relay 3
Driver side fender liner, behind airbox. The relay for the horn is the third one from the fender, for all 1990 - 1995 F-150 trucks. This data is on the internet in the digital manual, and in Ford Operator Manuals,
eec relay may be stuck,,sugest tapping on it to help verify the problem. If there is a relay my guess would be that it has failed. They are often under the hood but I'm not familiar with the location in a Ford pickup. The foel pump relay might be bad
Find the positive battery terminal. Follow the thick cable from that terminal and it will lead to the starter solenoid.
The starter relay is located on the battery side of the engine compartment on a 2002 F150 pick up truck. It is on the firewall close to the battery.
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where is door jam switch on 2004 f150 xlt located
in the gas tank
right above the steering wheal
Torque convertor could be defective siezed up.
in the power distribution box under the hood