Operation CHARM: Car repair manuals for everyone.

Main Relay (Computer/Fuel System)


Relay Terminals:




RELAY TERMINAL NUMBERS
The relay terminal numbers from can be found on the bottom of the relay:

^ Terminal number 30 is connected to battery voltage and can be switched or B + (hot) at all times.

^ Terminal number 87A is connected (a circuit is formed) to terminal 30 in the de-energized (normally OFF) position.

^ 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.

^ Terminal number 86 is connected to a switched (+)power source.

^ Terminal number 85 is grounded by the PCM.