call the cat dealer
they may have to call the factory to get the part numbers
my friend had the same issue
he got the parts for the harness (rats ate the connectors lol)
when in the past (and up until very recently) he would have had to replace the entire harness
they probably would have numbers for the disconnect tools too
ive had those small wires break at the crimp on the pin in these nissans
ill take them out of the connector
un crimp them as good as i can
cut back the wire strip it and re-crimp and put a small bit of solder and put the pin back in
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