BD Diesel High Idle Control – Automatic w/Cruise Control (1036605) for 2004-2006 Duramax LLY

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The BD Diesel High Idle Control (1036605) is a plug-and-play upgrade for 2004–2006 GM Duramax LLY diesel engines. It allows users to raise engine idle speed using factory cruise control buttons, which is useful for cold starts, battery charging, or PTO use. The device helps maintain optimal engine performance during idle in cold conditions and installs easily without modifying the factory wiring. It’s a practical enhancement for Duramax owners seeking better idle control.

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Description

The BD Diesel High Idle Control – Automatic with Cruise Control (1036605) is a convenient and practical upgrade designed specifically for 2004-2006 GM Duramax LLY diesel engines. This plug-and-play device allows drivers to increase engine idle RPM using the factory cruise control buttons, making it ideal for cold weather warm-ups, battery charging, or PTO applications. By raising the idle speed when the engine is running but the vehicle is stationary, it helps maintain optimal operating conditions and prevents issues related to low idle speeds in cold climates. Installation is simple and requires no cutting or splicing of wires, preserving the integrity of the factory wiring harness. This control module is an excellent choice for Duramax owners seeking improved functionality and control during idle periods.

Additional information
Weight 1 lbs
Dimensions 10.9 × 6.8 × 1.13 in
Fitment

Fitment

2004-2006 Duramax LLY

Features

Features

  • Easy to install
  • Faster engine warm-ups
  • Adjustable
  • Great to use for remote starters, PTO’s and extended idling applications
  • 2004-2005 LLY 800/1200/1800 RPM
Installation

Installation

Installation Video

 

INSTALL TIME

  • 1 Hour

WARRANTY

Parts

  • 12-Months
  • 24,000 Miles
About brand
BD Diesel Performance is a diesel performance manufacturer focused on reliability and towing performance. The company designs parts that improve durability, power delivery, and vehicle control. BD Diesel products support daily driving, heavy towing, and work-ready diesel trucks. BD Diesel engineers turbochargers, exhaust brakes, transmission upgrades, and fuel system components. Their products help manage heat, control exhaust flow, and protect drivetrain parts. These upgrades improve drivability under load and during long pulls. Diesel owners trust BD Diesel for proven solutions. Whether upgrading a tow rig or improving reliability, BD Diesel delivers parts built for real-world use.
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