Truck Parts and Service | Heavy Duty Trucking, Aftermarket, Service Info
Issue link: https://read.dmtmag.com/i/106601
Tech Updates - If the pigtail does not function, check the jumper that connects the pigtail to the harness. - If the jumper does not function, check the main harness. - Keep working upstream in the system until you get a connection that functions. From there you know the problem is downstream in the system. Disconnect one piece of the harness at a time and check the circuit. Lit Lamps That Should Be Off: This is the most dif���cult failure to ���nd. Possible Causes: Electrical short; Lamps Working Intermittently and/ or Flickering: A Single Lamp or Entire Circuit. Possible Causes: Small amount of corrosion build up; ground problem; short in wiring harness; loose pins in 7-way; loose wire in 7-way; problem in the tractor. Visually check connections and wire jacketing. Start testing from the front of the trailer beginning with the 7-way socket. crossed wires; bad switch. Visually inspect all connections and wire jacketing. Check the harness one piece at a time starting from the rear and working your way back up to the 7-way socket. TRUCK DIAGNOSTICS MADE EASY. Volvo Trucks North America is recalling certain model year 2013 VHD, VNL, and VNM trucks, equipped with model number 90262 or 90541 Hayes Lemmerz steel wheels. Due to an inadequate weld between the wheel disc and rim, the disc can separate from the rim. Separation of the rim and tire from the vehicle can result in a loss of control and a vehicle crash. Blue Bird is recalling certain model year 2013 and 2014 Vision school buses manufactured from Jan. 10, 2012, through Nov. 1, 2012, and equipped with Ford 6.8L propane engines. The brake light switch mounting bracket may have caused the brake light switch to be incorrectly adjusted at installation and/or the brake light switch mounting bracket may deform when the driver allows the brake pedal to return forcibly. An incorrectly adjusted brake light switch or deformed brake light switch mounting bracket may cause the brake lights to illuminate continuously. Improperly functioning brake lights could fail to warn motorists the bus may be stopping, increasing the risk of a crash. With the Pocket iQ���, gathering performance data is quick and simple. Count on NEXIQ Technologies��� expertise to offer the right diagnostic tools for the trucks you service and repair. The hand-held Pocket iQ makes it easy to collect critical truck performance data. Compact and versatile, it accurately reports engine, transmission and brake functions to provide the information needed to help keep your trucks on the road. Work with the Pocket iQ. It���ll make your job easier. NEXIQ Technologies. Data at your ���ngertips. www.nexiq.com ��2013 IDSC Holdings LLC. All rights reserved. Pocket iQ is a trademark of IDSC Holdings LLC. All other trademarks mentioned herein are the property of their respective owners. Pictures for illustration purposes only. Text INFO to 205-289-3544 or visit www.tpsdigital.com/info Untitled-21 1 W W W . T R U C K PA R T S A N D S E R V I C E . C O M TPS0213_Tech Updates.indd 11 F e b r u a r y 2 0 1 3 | T R U C K PA R T S & S E R V I C E 12/18/12 2:37 PM 11 1/22/13 1:50 PM