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so after a little more digging and reading the owners manual, I think I figured it out. The larger connector pigtail, plugs into the engine bay near the front bumper, and handles aux 1 and 2 (4 wires, 1 power and 1 ground for each switch) the smaller connector pigtail, plugs into either the...

Same. I think the larger of the two connectors is for aux 1 and the smaller is for aux 2 and the one in the cabin is for aux 3. one of the pig tails I received has a larger connector than the other one. That's the other difference between the two part numbers...the connector size

PT974-89251 https://autoparts.toyotaoforlando.com/products/product/hi-aux-wire-harness-pt97489251 PT974-89252 https://autoparts.toyotaoforlando.com/products/product/low-aux-wire-harness-pt97489252 one is hi aux, the other is low aux. the connector on the hi kit is larger...seems to fit the...

any luck finding the 4th switch connector? I only found 3 as well....

the part numbers for the pigtails are PT974-89251 and PT974-89252 Does anyone have any idea where all 4 connectors are? I can only find 3... I found 2 in the engine by the front bumper, and one in the cabin up under the steering wheel where is the 4th?