Introduction
It is recommended that the SKSNG907 or SKSNG907RV SmartKey Starter® be bypassed when performing any software updates or mechanical service.
NOTE: IT IS REQUIRED TO BYPASS THE SYSTEM BEFORE PERFORMING ANY FLASH UPDATES (IE: MERCEDES RECALL CAMPAIGNS)
It is also recommended that the SmartKey Starter® be bypassed as a standard practice for troubleshooting any issues with the vehicle.
Note: Before performing bypass, vehicle chassis battery ground should be disconnected. There is a quick disconnect cable conveniently located under the driver side dash. See instructions below.
To make bypassing the system easier, we have developed a set of jumpers that, when used, will completely bypass the SKSNG907 or SKSNG907RV. Rather than disconnecting the T-harness, the modules can be un-plugged and replaced with the jumpers. It is possible to mount the modules in a position where the jumpers can be installed to bypass the system in as little as 2 minutes. This guide demonstrates how to use the jumpers to bypass the system
If you would like to be sent jumpers for bypassing a system, please email sales@midcityengineering.com with your software version and address and a set of jumpers will be sent to you.
If you do not have jumpers and need to bypass the system, please use this guide to bypass the system at the T-harnessing: How to Bypass / Remove SKSNG907 / SKSNG907RV SmartKey Starter®
If you are servicing the vehicle and have any questions, please do not hesitate to contact us at 312-421-1114 or sales@midcityengineering.com - we are happy to assist in any way.
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Battery disconnect is located under the driver side dash to the right of the accelerator pedal
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Remove access panel above and to the right of the accelerator pedal
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Locate battery quick disconnect cable behind access panel
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There is a red tab on the top of the disconnect cable. To release the cable from the post, the red tab needs to be pushed downward
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Push the red tab downward to release the cable and pull towards the rear of the cable at the same time to remove cable from post
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The the main plug at the module labeled ‘SmartKey Starter’ is a 20 pin connector
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The main plug at the module labeled ‘SKSPCM’ is either a 20 pin or 16 pin connector
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Un-plug the SmartKey Starter and SKSPCM modules from the T-harnessing
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Connect jumpers to main T-harnessing plug
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One of the 20 pin connectors on the T-harness will have either a green sticker or another marking. This connector must be connected to the module labeled ‘SKSPCM’
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If the SKSPCM module has a 16 pin plug, it will only connect to the 16 pin T-harness plug
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