bump , also need to know this ? Do you have to use the tach adapter ? if so which wire on the coil pack do you hook up to ?
Connecting Autometer tach adapter to V6 Mustang Here you go from a search of the Autometer WEB site. Autometer FAQ Auto Meter Tach Adapter Product # 9117 Auto Meter Download instructions: http://www.autometer.com/productPDF/0561C.pdf Connecting to a Coil Pack: V6 Mustang coil pack page 6 V6 Coil pack wire color WH/LB. Square Connector C133 pin 34.