Poor connections will cause excessive resistance and heat. Wiring and connections that aren't sealed well will eventually corrode and cause poor connections. Cut out any discolored wires and by that I mean the copper strands. Solder fresh wire back together and use heat shrink with sealer to insulate it..
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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