I noticed my idle stabilizer bullet connectors on white/black and red/white wires that connect to the outer switch box are discolored, possibly the bullet connectors are over heating? it's in a 99 Merc 150. Should I cut the bullet connectors off and solder/heat shrink them or get some new bullets and crimp them on? If I need to solder them then I'll have to lift the white/black wire off the switch box when checking timing. Any advice would be greatly appreciated!