Aging battery cables on 2006-2009 5.9L / 6.7L Cummins Dodge/Ram 2500/3500 trucks raise resistance, slow cranking, and create charging headaches. Big7Kits DCMN06-I6-00G is a complete 2/0GA Big 7 battery cable replacement kit sized for this application.

This kit rebuilds the high-current paths between batteries, starter, grounds, and related feeds with labeled, sealed copper cables so you can restore reliable starts and cleaner voltage delivery.

What you get

• Big7Kits complete Big 7 battery cable kit, part DCMN06-I6-00G
• 2/0GA primary cable sizing for this kit
• Fine-strand SAE-approved pure copper cable (not copper-clad aluminum)
• Solid copper ends with electromechanical crimps
• Marine-grade heat shrink (MIL-I-23053/4) and labeled ends
• Military-style corrosion-resistant battery terminals included
• Fitment: 2006-2009 Dodge/Ram 2500/3500 5.9L or 6.7L Cummins (standard dual-battery kit)

Specs

• Part number: DCMN06-I6-00G
• Wire gauge (kit): 2/0GA primary sizing
• Current maker variant reference: RAMG3-0609-2/0G-5.9-6.7DIESEL
• Application: 2006-2009 Dodge/Ram 2500/3500 5.9L or 6.7L Cummins (standard dual-battery kit)
• B- to fender grounds (4GA)
• B- to engine block grounds (2/0 for this kit)
• B- frame grounds (4GA)
• Alternator lead (2GA)
• B+ to starter (2/0 for this kit)
• B+ crossover cable (2/0 for this kit)
• B+ to PDC / fuse-relay box (4GA)
• Fuse block with additional fuses
• 2 sets military-style battery terminals

Some 2006-2009 trucks use 90° starter lugs and some use straight — confirm before install; order notes if buying from maker Verify fitment for your truck before ordering.