The following diagram illustrates the wire connection for the SKUs listed below:


PBP-35-184C-S Door Mirror Power & Heated Stainless with Arm & Chrome Cover & Bottom Mount Bracket Aluminum Chrome - 

Driver and Passenger Side Fit: Peterbilt 335 340 357 382 385 386 325 330 348 388 389 365 367 

PBP-35-184B-S  Door Mirror Power & Heated Stainless with Arm & Chrome Cover & Bottom Mount Bracket Aluminum Black - Driver and Passenger Side Fit: Peterbilt 335 340 357 382 385 386 325 330 348 388 389 365 367