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Re: 2008 Merc Grand Marquis un-intended x-cell
Posted to Technical Theory Forum on 6/12/2009 1 Reply

Hi Damon,

It took a lot of looking, but if ALL the brake light bulbs burn out it should set a P0703. This is independent of the P1703 for no boo activity seen during koer testing.

There was no mention of the MIL being on, but the TCC is disabled due to a p... Login to read more.

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