LB7 Auto High-Idle

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    The automatic high-idle feature that GM implemented on the 2004.5+ LLY/LBZ/LMM/LML Duramax's is an excellent feature to have during the cold temperatures of the winter months. When enabled, if the outside air temperature was below ~32*F and the truck is in park, the engine would automatically speed-up to a fast idle setting to aid in engine warmup.

    Unfortunately, 2001-2004 LB7 Duramax owners were "left out in the cold" and did not have this handy feature...until now! The BT DieselWorks LB7 Automatic High-Idle module brings the great functionality/features of the 2004.5+ auto high-idle mode to the first-generation Duramax's. With this module installed, whenever the outside ambient air temperature is below ~40*F and the truck is in Park, the module will automatically engage high-idle to decrease engine warmup times.

    Perfect for use with remote-start systems, as high-idle will automatically be engaged during a remote-start while you remain in the comfort of indoors.

    Several "smart" features are incorporated into the module as well, to prevent engine damage upon extreme cold-startups. If the temperature is below 30*F but above 0*F, the module will wait 10 seconds before automatically engaging high-idle. If the temperature is below 0*F, the module will let the engine curb-idle for 45 seconds before automatically engaging high-idle. This is a key-feature, as immediately revving up a cold engine on first startup can be very damaging to the internally lubricated parts.

    Heated-seat control (currently only available for 2003+ trucks) is another option, which will automatically turn-on your heated seats when the temperature is below ~40*F, another great feature for owners with remote-start modules.

    "LightSaver" smart headlight-control is the third available option, which can be programmed two ways. This is specifically designed to protect aftermarket HID headlight kits. At night time, when the truck is started, the lights are automatically turned on at key-on, then when the key is turned to crank/start, the headlights are turned off, and then when the engine starts, the lights are turned back on. Once switched on, HID lights need to be given at least 30 seconds to properly warm-up and allow the arc to stabilize and ballast to transition to "steady-state" running mode. If the HID lights are turned off before this "steady-state" mode is attained, it can be damaging to the bulbs (technically an HID 'bulb' is called a capsule) and the ballasts. Over time, this rapid repeated ON-OFF-ON sequence will cause premature failure of the capsules and/or ballasts, thus needlessly costing you extra money.

    The first program setting will simple temporarily disable your automatic headlights at night (parking lights will still come on at key-on-engine-off though) until the engine is started. Once the engine is running, automatic headlight control is immediately returned to normal factory function.

    The second program setting will disable the automatic headlights (keeping the lights off, same as the first program setting described above) at key-on, however, the headlights will remain OFF (however the parking lights will remain on) until you shift the truck out of park. As soon as the truck is shifted out of park, the headlights will immediately turn on and return to normal factory automatic operation. This is a great feature for hunting/camping/night-workers who want to start their truck and allow it to warm up in the darkness without the automatic headlights immediately coming on and disturbing others. Also works great with remote-start, allowing you to remote-start your truck from indoors late at night/early in the morning without the bright headlights automatically coming on right away and causing a nuisance.

    Installs easily with simple hand tools, wires are color coded for easy identification. Please select year of truck, and if any additional optional features (heated seats, LightSaver) are desired along with the automatic high-idle mode.

 

NOTE: your truck must have factory outside air temperature display in the mirror to use this module. If your truck does not have factory temp-display in the mirror, please contact me regarding the additional parts required to add the automatic high-idle module. High-idle MAY or MAY NOT have to be enabled/programmed initially with a Tech 2. Usually this is an issue with 2001-early 2002 trucks. 2003-2004 trucks should be plug-and-play. Also, if you already have manual high-idle/PTO control working via the cruise control buttons, then your truck is ready to go.

 

NOTE: IF YOU DO NOT ALREADY HAVE MANUAL HIGH-IDLE WIRED IN (VIA THE CRUISE CONTROL BUTTONS), YOU MUST MAKE A NOTE OF THIS TO ME IN THE CHECKOUT PROCESS "SPECIAL INSTRUCTIONS/COMMENTS" SECTION. IF YOU DO NOT ALREADY HAVE MANUAL HIGH-IDLE WIRED IN, THERE IS AN ADDITIONAL WIRE/ECM-PIN THAT HAS TO BE INCLUDED IN THE KIT. I WILL ONLY INCLUDE THIS EXTRA WIRE IF YOU TELL ME THAT YOU DO NOT ALREADY HAVE MANUAL HIGH-IDLE INSTALLED!!!!!

Please click the "Installation Guides" link on the top menu bar to download installation instructions in PDF format.

All BT DieselWorks-manufactured products are fully-warrantied for 1 year. Products from other manufacturers may or may not have specific warranties. See individual product descriptions for details. -------- All sales are final. Returns will be given as full price in store credit, or money refund plus 40% restocking fee.

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