What could make Fuse 17 blow when you shift from reverse to neutral?

A potential cause for Fuse 17 to blow when shifting from reverse to neutral can be a short circuit or a malfunction within the transmission neutral safety switch. This switch operates to prevent the vehicle from starting in gear and to disengage the starter motor when the transmission is shifted into neutral or park. If the switch is faulty or if there is a wiring issue, it can result in an accidental energization of the starter motor, causing a high current draw and blowing Fuse 17.

To troubleshoot this issue, you should check the neutral safety switch and its wiring for any damage, corrosion, or loose connections. If the problem persists or if you are unsure of how to safely perform these checks, it is recommended to consult with a qualified automotive technician or refer to the vehicle's service manual for specific instructions on diagnosing and repairing the neutral safety switch and the associated electrical circuits.