- Jun 19, 2009
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I have a C4 transmission and want my speedometer and backup/reverse lights to work in my 2005 Mustang GT. What do I need to make this work with my OEM gauges? I can't seem to find the right sending units or any information on this anywhere? I did a search on this forum, but every word I tried to use it said it was too common and omitted? Any help is appreciated!