I have a 84 vic i cant get no power at all, when i turn the key to the on position i get i tick tick noise from the relays upder the hood... do the relays need to be changed?

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Posted on Jan 02, 2017

SOURCE: My truck has a loud ticking noise inside the dash

First, I would have a dealer run the Vin# for your truck for the Cruise Control recall. If the recall was not performed it needs to be done. Unfortunately after some of the earlier recalls were done, people had problems with the 4x4 controls and brake lights.
If you can identify the Cruise Control and there is an add-on fuse disconnect the fuse and see if the ticking goes away.

In your case I would spend a little time to save money and use your hands to find the ticking relay.
Your fuse block should be under the dash or behind a kick panel. You will see some oblong or square relays. Feel them and unplug the ones that are ticking. Keep track of their position.

Under the hood are some black power boxes filled with relays and fuses. Do the same "Feel" test on them. When you unplug the "problem" relay the ticking noise will stop. Then the problem area will not work and you can investigate the equipment on that branch. Be it power windows, wiper delay, A/C,
power seat, and so on.

If you have a Diesel your Glowplugs have a timer which is very loud and should stop in less than 90 seconds. It definitely pulls power. Do a "feel" test on it. Your glowplug wires will lead you to it.

Posted on Apr 22, 2010