MSD DIS Ignition Tachometer Driver - For Use With Aftermarket Tachometer On Distributorless and Multiple Coil Pack Vehicles H770003L 2003-2006 Volvo XC90

2003-2006 Volvo XC90

Does not work with larger openings

1980-1980 Buick Estate Wagon

and Black with Grey Trim

1-1/2" body diameter

MSD DIS Ignition Tachometer Driver - For Use With Aftermarket Tachometer On Distributorless and Multiple Coil Pack Vehicles H770003L 2003-2006 Volvo XC90Ever wonder how you can install an aftermarket tachometer on a vehicle with no distributor and multiple coil packs? MSD has the answer with the Distributorless Tach Driver! The compact Tach Driver measures only 1. 5 x 3. 5 x 2 and is potted with a polyurethane compound for vibration and water protection so it can easily be mounted under the hood. It wires inline on the coils 12 volt supply wire where it senses the current going through this wire and