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150-6999 1506999 Control Platform Wiring Harness for Caterpillar CAT E320B Excavator
Part number 150-6999 1506999 is the Control Platform Wiring Harness used on Caterpillar 320B, E320B excavators. This aftermarket replacement from TOPARTS is designed to fit in place of the original without cutting, splicing or rerouting.
Specifications
- Part Name: Control Platform Wiring Harness
- Part Number: 150-6999, 1506999
- Condition: Aftermarket new
- Product Weight: 2 kg / 4.41 lbs
- Brand: TOPARTS
- Warranty: 6 months
- Feature: Matches original routing and length; durable, heat-resistant insulation
Fits the Following Machines
Caterpillar CAT 320B E320B Excavator
What This Harness Does
Every wire in this harness has a job: delivering power, carrying a sensor signal or switching a component on and off. When the insulation hardens or terminals loosen, those jobs stop getting done reliably, and replacing the harness is the most direct fix.
Designed to the original routing, length and connector layout, this harness drops into place where the old one was removed, so the circuits it serves return to normal operation without rewiring.
On Cat equipment, a damaged harness often shows up as active diagnostic codes before any visible failure, so replacing the wiring can clear problems that look like sensor or ECM faults.
What You Get with TOPARTS
TOPARTS harnesses are made to the original layout so that every connector reaches its component without strain. Protective conduit and tape guard the wires against abrasion, heat and oil in the engine bay and around the frame.
How to Tell It Is Time for a New One
You may notice:
- Signs of heat damage or melted sections
- Recurring fault codes linked to this circuit
- Cracked, hardened or chafed insulation
- Electrical functions working intermittently
- Loose, corroded or damaged connectors
When diagnostics point to a circuit fault rather than a failed component, replacing the wiring is often the most cost-effective repair.
Reducing Downtime
Dealer lead times for wiring harnesses can stretch to weeks. Ordering a replacement in advance, or as soon as faults begin to appear, keeps your project on schedule and avoids rental costs for a substitute machine.
Why Full Replacement Pays Off
A single visible fault is often a sign of wider ageing. Heat cycling and vibration affect every wire in the bundle, not just the one that failed. Fitting a new harness means you are not chasing the next fault next month.
Before and During Installation
- Disconnect the battery before starting work.
- Take photos and label connectors before removing the old harness.
- Inspect the mating connectors for corrosion and clean them if needed.
- Secure the new harness with the original clips and keep it away from heat and sharp edges.
- Test all related functions before refitting covers.
Payment & Shipping
- Payment Method: PayPal, Stripe, Credit card, Visa, etc.
- Shipping Method: DHL, FedEx, UPS, TNT, USPS EMS, etc.
- Track Your Order: An email containing the tracking number with a link will be sent to you as soon as it ships.
Note: Please verify your part number and match our product pictures to your original item before ordering. If you have any questions, please feel free to contact us. Thanks.
