I recently purchased this tach with a new 09 F150. I installed and cant seem to get the oil and temp gauge running. I see there is a 4 prong plug that I cant find where it goes... if it goes anywhere. I could use some help on the engine side of this. is there an adaptor or ??
Thanks
Alandryfp@comcast.net
Thanks
Alandryfp@comcast.net
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