I have a 92 w 318,replaced fuel pump and relay but truck will not start until switch has been left in on position for about 5 minutes then the relay starts clicking and then it will start.After leavin
is this a diesel? sounds like a poor battery, either charge or voltage. should check 'em both with a battery load tester~
That relay should kick in as soon as the key is turned on. I vote for dirty ignition contacts.
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