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GreasyLikeaBurger · 04-08-2018, 02:59 AM

I like the look of your filler panels. Nice to see them installed. The center top hole is the drain hole for your fresh air vent(usually a long rubber hose comes out of the hole), the other I think is for the wiring harness and usually a grommet is there to seal the hole.

04-08-2018, 02:59 AM	#74
GreasyLikeaBurger Registered User Join Date: Oct 2015 Location: Costa Mesa, CA Posts: 190	Re: 51 GMC 'Project Why Wait' I like the look of your filler panels. Nice to see them installed. The center top hole is the drain hole for your fresh air vent(usually a long rubber hose comes out of the hole), the other I think is for the wiring harness and usually a grommet is there to seal the hole.