Now you're on to something...I would continue to check all leads/connections tied into that fuse. Here is a thread where I had some electrical gremlins to chase down. Ended up going through all connections, cleaning & re-tighening and that did the trick...good luck!
95" w/SE Cast Flat-tops
Big Boyz Port job @ 9.8:1CR
S.E. Stage 1 Intake
PCIIIr...Smoked...replaced w/Big Boyz Tune