B250 3/4 Ton Van V8-318 5.2L VIN T FI (1992)
Main Relay (Computer/Fuel System): Diagrams
Relay Terminals
RELAY TERMINAL NUMBERS
The relay terminal numbers from can be found on the bottom of the relay:
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Terminal number 30 is connected to battery voltage and can be switched or B + (hot) at all times.
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Terminal number 87A is connected (a circuit is formed) to terminal 30 in the de-energized (normally OFF) position.
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Terminal number 87 is connected (a circuit is formed) to terminal 30 in the energized (ON) position. Terminal number 87 then supplies
battery voltage to the component being operated.
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Terminal number 86 is connected to a switched (+)power source.
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Terminal number 85 is grounded by the PCM.
