Poor connection, creates high resistance which increases load which increases heat.
Make.
Proper.
Electrical.
Connections.
Yes, I know, that’s the B/D harness they sent you with the lights, and blah, blah, blah.
A properly done crimp connector would work better. I think this is called a ‘pinch’ connector(?) They’re designed to slide over an existing cable insulation, cutting it and tapping for power. The thing is, if you’re cutting the insulation, what’s to prevent cutting the small strands of wire?
^^^
This is a ‘rhetorical’ question, because the answer is nothing.
This connection either didn’t have full contact or make full contact, or possibly cut the wire - or more precisely cut some of the ‘conduit’ strands ultimately creating WAY too much heat.
This is how very bad things happen to your very expensive Raptor.
We have a single squadron pro here at:
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3 amps using 41.4 watts. This is ~ 13.8v dc. ish.
You have a pair of squadron pros, they will use 6-ish amps so your up fitter must be 10a or higher rated to support the squadrons without a relay.
if you still have light at the up fitter when you turn it on, then it’s unlikely you blew a fuse.
Unfortunately, this excessive heat may have also damaged the harness.
I’d invest in some good connectors that you crimp on with a tool or pair of lineman pliers which have a crimping cut out. You may choose different types, like male to female connectors (with insulation) so long as they make a positive connection and they won’t ‘loosen’ with vibration or impact.
Replace that wiring harness and throw the old one out.
