immobilizer

Yesterday I had just received my new back-up camera and was eager to go install it. Got out to the truck, ran all of the wiring and all was well. Until I disconnected the negative terminal on the battery (as a precaution) prior to splicing in the the reverse wire/taillight wires. Wires were...

while back probing the low pressure air conditioning switch on my 02 ram 1500 4.7l...we put power to it with a power probe and the engine shut off and wont start back up but does crank. fuel pump doesnt turn on and gauges dont work...im wondering if we activated the immobilizer or the pcm is fried