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Where to Find Cable Connections on Off-Highway Equipment (Part 2)

Finding where to connect to run diagnostics on construction and farming equipment is frustrating. It can seem like no two machines have the hook up in the same place. So we have broken down some of the most common equipment that we work on with our Diesel Laptops Diagnostic Kits.

You may have seen our previous blog post, ‘Finding Where to Connect,’ that laid out the connection locations for a Bobcat Skid Steer, Bomag Roller (Deutz Engine), CAT Dozer, CAT Excavator, CAT Grader, CAT Loader, CAT Skid Steer and CAT Backhoe. If you missed it, you can find it here.

If you’re not sure what cable you need, click here to view our cable guide for each make & model of construction, agricultural and industrial equipment.

WHERE TO CONNECT

JLG Aerial Lifts with Duetz Engines

The connection for these machines is found in one of 3 places: behind the panel, next to the ECM or behind the engine.

Behind the side panel:

JLG Aerial Lift Diagnostics

Most commonly it’s on the back of the engine:

JLG Aerial Lift Cable Connection

Or behind the control panel:

JLG Aerial Lift Cable Hook up

JCB Excavator

This is another machine where the connection port changes from model to model. Most frequently it will be found under the seat, engine compartment or behind the seat.

The diagnostic port for this model is under the seat:

JCB Excavator Diagnostics

This JCB Excavator’s connection is in the engine compartment:

JCB Excavator Cable Connection

Larger JCB Excavators with MTU engines often have the hookup behind the seat

JCB Excavator with MTU Engine Cable Connection

JLG Telehandler

Telehandlers with Cummins engines house the cable connection on the engine or on the dash. Here you can see the engine port:JLG Telehandler Cable Connection

Hamm Roller

These rollers are equipped with Duetz engines – the connection is found in the step compartment:

Hamm Roller Cable Connection

JCB Telehandler

This telehandler’s diagnostic connection is in the fuse box:

JCB Telehandler Cable Connection

Construction Diagnostic Connection Assistance

Diesel Laptops carries a full range of diagnostic cables, if you don’t see what you’re looking for contact our team.

If you are having trouble connecting your TEXA or Cojali Off-Highway diagnostic kit to your machine reach out to us, one of our trained diesel technicians can help troubleshoot the issue.

 

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Angaeli Lall-Butcher

Angaeli covers all things Off-Highway as a part of the marketing team at Diesel Laptops, from construction and agriculture machinery to heavy equipment diagnostics.

My role has brought me to The National Tractor Pulling Championships in Bowling Green OH, had me trekking through farms in Gilbert, SC and even sent me to a construction theme park in NJ. I spread the word about new ways that Diesel Laptops serves the Off-Highway community, and work with diesel techs to help them discover heavy equipment repair options.

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