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Is there a cheaper replacement for the harnesses? Part numbers and prices I got for both sides of the harness: 25087143 HARNESS 721.00 25038822 HARNESS 407.70 41MR3655 HARNESS 299.29

Yeah, I got a quote of $25 from a local dealer. Turns out, they want both sides of the harness, which brought the quote to $1400. I could not find those anywhere online, though.

Terminal block is my understanding. Do you know it's part #?

Hi, New to the forum and trucks. A friend has a 1984 Mack Truck RW613. My apologies if my nomenclature is wrong, but this was what I could grab from the plate on the driver's side door. He's looking for what he calls the wiring harness and I am unable to grab a specific part number or find much on it. If you lift the hood up, and are looking at it from the front, it's on the top-right side (driver's side) of the engine where all of the wiring comes in and looks like a standard relay block. Does anyone know where to source this part or a specific number? Thanks