Re: 81 c30.....5.3
Now check the pink wire at the White color coil connector on each bank. Also check the pink wire on all of the injectors,
Then check the dark green/white wire in PCM Red connector Cavity 9 for the fuel pump relay signal. The PCM outputs a + signal on this wire.
You should use a Digital Multi Meter when testing circuits on a fuel injection harness. You could damage the PCM if you are not careful.
Bill
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