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08/01/2024

Lincoln TK81 (130Pts.)

0

2007-2010 Lincoln MKX EVO-ALL FORT4/FOR4 No Start

I'm encountering a no start condition with EVO-ALL (SN: 001A07511504) and THAR-FOR4 T-Harness in a 2009 Lincoln MKX. It programs correctly (i.e. ending with 10 red flashes then rapid blue flashes). When remote starting it goes through the motions but the engine never cranks. I currently do not have A4 (green wire - unlock) or A5 (white wire - lock) installed from the 20-pin connector as from my understanding it's only required for a RF kit. I will be installing a MyCar module but want to ensure I have the basics working first before connecting the other wires to the BCM. NOTE: The unlock wire color seems to be incorrect for the 3B BCM connector in Guide # 89131 rev 20220805. The manual states Purple/Green but the actual color is Purple/Grey. Wirecolor also lists the unlock wire as Purple/Grey.

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