Hey all. Got the truck running awesome. What a well worth it project. Have had fun through almost all of it other than the tards at MPS sending me too old of a transmission which was causing all those codes. Anyway, Got a quick question. Pulled the truck into my garage Monday night after work. It sat Tuesday undistirbed. Wednesday I went to start it, and when I clicked to ignition, the fuel pump relay started clicking rapidly, along with the CEL flickering about the same pace (not flashing, faster than a flash) and theft light was blinking rapidly too. Tried my second key. Same result. Here's a video of the issue:
Yesterday just for kicks and giggles, I disconnected the ground and positive battery terminal, disconnected ECU harness, and let it sit for 5min. Connected ecu harness and terminals, turned to ignition and it was fine. Normal operations. Starts fine. Ran fine, both keys worked as they should. My question is; what could have caused this intially? The only time I've seen the theft light flash that quickly is when I'm putting a new tune on the truck. Wondering if it's possibly ground related? I was out at some trails last weekend, and if I'd run across a pothole, it'd cause the truck to "cut out" per say. Would stay running, just would miss a beat. SCT would say "no communication" like ignition signal was lost for a second. Where could I start to look for something like that?