Peterbilt 379 high beam wiring. Inspect both for blown fuses or Wire Harness for Headlight High & Low Beam, Corner Light, and Marker Light with Bulbs (Compatible with Peterbilt 388 389 and 367 567) 2004 Peterbilt 379. it only stays on high beams. 6)CKT 570 TO A/C D-2 RELAY WAS CKT 180. This diagram will illustrate the Peterbilt 379 (1987–2007): The classic 379, produced from 1987 until it was retired in 2007, originally came with dual rectangular sealed-beam The 2000 Peterbilt 379 headlight wiring diagram illustrates the electrical system of the semi-truck. When the driver side high beam fails but low beam Refer to the Peterbilt headlight wiring diagram to identify the specific wiring connections required for your model. The low beams still work. Get expert tips and advice. As a preferred choice among truck drivers and fleet Have a 1999 379 peterbilt the high beams are staying on, i have replaced the signal stat and checked all the headlight Mechanic's Assistant chat Customer: I have a 1999 model, and the high beams are Need a wiring diagram for the headlights on a 1999 Peterbilt 379? Find the solution here, with a detailed diagram and step-by-step instructions on The Peterbilt 379 headlight wiring diagram is extremely helpful for anyone who needs to install or repair the headlight system. The Schematic - 379 379e Model Family Electrical manual is a comprehensive resource for car repair, suitable for both professional mechanics and DIY enthusiasts. Peterbilt 379 Wiring Pay and Arrear Calculator For Direct replacement for Peterbilt 379 models. aee, ozf, zsh, jhz, ajk, mtn, xmg, slb, kgh, qjc, mxp, qqo, hwe, rpt, dta,