The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - How to wire electric fans to stay on for a few minutes after engine is shut off?

*gmachinz* · 11-17-2017, 12:33 AM

For some reason I thought the OP was running an electric water pump too-but I guess not. If you were, you could run 2 control relays together for the fans and water pump to be triggered with delay via a solid state relay-but if running a mechanical fan then as Vette said-not worth the effort.

11-17-2017, 12:33 AM	#6
gmachinz Account Suspended Join Date: Jun 2011 Location: Des Moines, IA. Posts: 4,143	Re: How to wire electric fans to stay on for a few minutes after engine is shut off? For some reason I thought the OP was running an electric water pump too-but I guess not. If you were, you could run 2 control relays together for the fans and water pump to be triggered with delay via a solid state relay-but if running a mechanical fan then as Vette said-not worth the effort.