check the ignition control module.
yes
Quote from Chilton book: " The module is located on the firewall just inboard of the master cylinder."
http://www.therangerstation.com/tech_library/TFI_Diagnostic.html Heat
A 1989 Ford Bronco II has a ( 2.9 liter / 177 cubic inch V6 engine )
Yes. The Bronco body style didn't change again until after 1989.
I believe that is a ( C6 ) 3 speed automatic transmission with the 351 in a 1989 Ford Bronco
The horn relay in a 1994 Ford Bronco is located on attached to the cruise module. The electrical relay is under the hood.
Most likely it is the TFI module mounted on the back side of the distributor. Takes a special tool to remove it, available at auto zone for about 5 bucks.
A person can visit a Ford dealership and ask for a 1989 Ford Bronco fuel diagram. Many times the Ford dealers will have mechanics on hand and they can give a customer a copy.
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No