MAIN FEATURES
DLS CPHLCSLH Smart Load Harness for HLC4.2
The DLS CPHLCSLH Smart Load Harness is a dedicated accessory designed for use with the DLS HLC4.2 High Level Converter in modern vehicles equipped with advanced speaker diagnostics. It simulates the electrical load of factory speakers, ensuring the vehicle's audio system continues to detect connected speakers after an aftermarket amplifier installation.
By providing a simulated 3 Ohm load, the Smart Load Harness prevents warning messages, diagnostic faults, and speaker detection issues commonly found in newer vehicles. It offers seamless OEM integration and ensures reliable operation of the factory head unit when upgrading the vehicle's audio system.
Key Features:
- Smart Load Harness for DLS HLC4.2
- Designed for Modern Vehicles with Advanced Diagnostics
- Simulates a 3 Ohm Speaker Load
- Prevents Factory Speaker Detection Errors
- Maintains OEM Audio System Functionality
- Eliminates Warning Messages and Fault Codes
- Ensures Compatibility with Factory Head Units
- Designed for Aftermarket Amplifier Installations
- Plug-and-Play Integration with HLC4.2
- Reliable OEM System Integration
- Compact and Durable Construction
- Ideal Accessory for Professional Car Audio Upgrades
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.
MAIN FEATURES
DLS CPHLCSLH Smart Load Harness for HLC4.2
The DLS CPHLCSLH Smart Load Harness is a dedicated accessory designed for use with the DLS HLC4.2 High Level Converter in modern vehicles equipped with advanced speaker diagnostics. It simulates the electrical load of factory speakers, ensuring the vehicle's audio system continues to detect connected speakers after an aftermarket amplifier installation.
By providing a simulated 3 Ohm load, the Smart Load Harness prevents warning messages, diagnostic faults, and speaker detection issues commonly found in newer vehicles. It offers seamless OEM integration and ensures reliable operation of the factory head unit when upgrading the vehicle's audio system.
Key Features:
- Smart Load Harness for DLS HLC4.2
- Designed for Modern Vehicles with Advanced Diagnostics
- Simulates a 3 Ohm Speaker Load
- Prevents Factory Speaker Detection Errors
- Maintains OEM Audio System Functionality
- Eliminates Warning Messages and Fault Codes
- Ensures Compatibility with Factory Head Units
- Designed for Aftermarket Amplifier Installations
- Plug-and-Play Integration with HLC4.2
- Reliable OEM System Integration
- Compact and Durable Construction
- Ideal Accessory for Professional Car Audio Upgrades
UK Deliveries: Free UK mainland delivery applies to orders over £30 (exceptions apply to remote regions and islands, which will see a surcharge at checkout).
Orders Under 2kg: Most in-stock items arrive in 2–3 working days. Items held by suppliers take 4–6 working days. (Note: Saturday is not a working day).
Orders Over 2kg: Dispatched via trusted couriers including AMAZON Shipping, Royal Mail, DPD, and UPS.
Royal Mail Specifics: Royal Mail aims to deliver in 1–3 working days, though this is not guaranteed. If your item has not arrived after 7 days, please contact us. We can only replace missing items after 14 days have passed.
More information (including international delivery on our Delivery Information page.





























































































