Check engine light comes on and clicking sound comes from the relay box the engine will not run. Tap the box the sound stops the engine runs

This is more of a Cars & Trucks - Ask Me Help Desk (https://www.askmehelpdesk.com/cars-trucks/) problem. This forum is building/construction wiring.

I agree with Stan but if


Tap the box the sound stops the engine runs

I'd replace the relay. At least look for faulty wiring connections to the relay.