2011 Sierra/Silverado RS, No Ignition output
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=144084
Printed Date: May 06, 2024 at 11:28 AM
Topic: 2011 Sierra/Silverado RS, No Ignition output
Posted By: xxrzdxx
Subject: 2011 Sierra/Silverado RS, No Ignition output
Date Posted: January 28, 2018 at 5:51 PM
I'm using a 5706V with DB3, there is no output to IGN during remote start so no crank. From my understanding, the Bypass (DB3) should supply the IGN signal during remote start, as the installation manual shows the IGN from the R/S unit being isolated by diode to receive IGN input but not supply output.
Is my thinking correct? I'm testing the outputs from the DB3 with a meter and it ouputs ACC but no IGN.
Replies:
Posted By: kaezoo
Date Posted: January 29, 2018 at 7:38 AM
Verify that you have voltage on the brown 12V+ input at the DB3.
Posted By: xxrzdxx
Date Posted: January 29, 2018 at 9:16 AM
I'm not at the unit to test, but the ACC output has power during the RS process. At this point I'm thinking there's something wrong with the flash, but have no way to verify or reflash with DEI's dealer only policy.
Posted By: xxrzdxx
Date Posted: January 29, 2018 at 12:18 PM
Looked at the wiring break-down for the bypass and noticed the Brown 12V referenced a relay pin, and IGN reference another pin. In other words the IGN out is supplied by brown wire, and ACC supplied by D2D voltage. Low and behold, no voltage a brown wire (must be bad solder). I'm sure this will take care of it once I power this wire. Thanks for you help.
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