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Home >> Ford >> 1989 >> Probe L4-133 2.2L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Main Relay (Computer/Fuel System) >> Description and Operation
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Main Relay (Computer/Fuel System): Description and Operation


When the two main power relays are energized, they provide power to the ignition system, fuel injection system, electronic engine controls and to the electronic control assembly. The relays are located on the firewall along with the horn and cooling fan relays.