Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
It still comes down to if the vehicle uses a single flasher relay or a combination turn signal unit. The combination turn signal unit is what determines the shared bulbs function.
What year is this harness from that hasthe yellow wire?
It looks like the difference between a shared brake/signal tail light and a dedicated brake bulb isolated from the signals (probably base model rear end).