Ck Power Going To The Starter When You Turn The Key To The Crank Position.if There Is No Power Your Fuse Box & Gem Module Inside The Truck Has Shorted Out From Water Contamination.water Leaks From The Top Of The Winshield Seam & Will Drip Water Onto The Fuse Box & As Time Goes By It Will Short Out.
Were You Allen Plug Is On Top Of The Oil Resivor Is Were You Put Your Hose For The Gauge.or You Can Just Crank The Engine With The Starter Solinoied Remove The Allen Head Plug & Look Inside With A Flash Ligh To Seeif The Housing Is Filling Up While Cranking The Engine Over & If It Starts Filling...
If Your Oil Resevor Is Empty Ck Oil Pressure With A Gauge.if There Is No Oil Pressure.the Low Preesure Oil Pump Is Damaged In The Front Cover.when You Replace The Loe Oil Pressure Pump Make Sure You Pay Close Attention The Pump Can Be Put In Backwards.