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153-2491 1532491 Console Wiring Harness for Caterpillar CAT 320B 322B 325B Excavator
Part number 153-2491 1532491 is the Console Wiring Harness used on Caterpillar 320B, 322B, 325B, 330B excavators. This aftermarket replacement from TOPARTS is designed to fit in place of the original without cutting, splicing or rerouting.
What This Harness Does
Mounted in the cab or beside the battery area, the fuse box distributes power to lights, controllers, solenoids, the monitor and accessories. A replacement restores clean contacts and secure fuse seating across every circuit at once.
The fuse box is the protection hub of the electrical system. Every major circuit on the machine passes through it, and its fuses and relays stand between a short circuit and serious damage to controllers, wiring and expensive components.
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.
Installation Guide
- Disconnect the battery before removing the old fuse box.
- Transfer fuses and relays one at a time, matching each to its marked position.
- Check that every fuse seats firmly in the new holder.
- Power up and test each circuit before closing the cover.
Warning Signs to Watch For
You may notice:
- Corroded or discoloured terminals
- Fuses that will not sit firmly in their sockets
- Relays clicking but components not operating
- Circuits losing power even though the fuses look good
If these symptoms persist after checking fuses, batteries and grounds, the wiring itself is the next thing to suspect.
The Cost of Waiting
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.
Extending Harness Life
Once the new harness is fitted, a quick look during routine services goes a long way. Check for rubbing points, loose clamps and oil contamination, and keep the engine bay and battery area clean so that debris does not build up around the wiring.
Replace or Repair?
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.
Specs at a Glance
- Part Name: Console Wiring Harness
- Part Number: 153-2491, 1532491
- Condition: Aftermarket new
- Product Weight: 3 kg / 6.61 lbs
- Brand: TOPARTS
- Warranty: 6 months
- Feature: Strict quality control standards; stable performance and high reliability
Applicable Models
Caterpillar CAT 320B 322B 325B 330B Excavator
Order & Delivery
- 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.
