Help tracking 72v short to chassis

[otismoon504]

Found this thread and will work through it too

2002 DOA in San Diego after pothole hit

A bunch of bicyclists we’re spread across the road so I went to the far left side of a one-way street and hit a serious divot then it went dead. No display, no clunk on key or e-brake toggle. Was disappointed the 12V still worked… After walking home and getting tools and DVM I removed the dash and nothing was loose. 84V, 13.1V and all fuses were ok. I pushed the main contactor in with the direction switch in Neutral and it lurched forward for a second then went to a beeping sound. Beeps when …