A: You can download a copy of the Product User Manual from the Matco website (www.matco.carscan.com/Support. User manuals are available in English, French and Spanish. Select the product and choose the language of the manual you would like to download.

A: Yes, both MTL300 and MTL500 will work on 2 cycle engines.

A: Your Timing Light is designed for use on all 12-volt negative ground vehicles equipped with conventional breaker point, and electronic ignition systems, or with DIS (distributorless ignition systems). Requires a separate 12-volt automotive battery. Follow all procedures as specified in the vehicle's service manual for procedures and specifications before at-tempting to time vehicles.

A: Our timing light will only work on 12 volt negative ground system. On some pre1960’s vehicles used positive ground systems. Check service manuals for the correct ground systems.

A: Place the RED lead onto the positive (+) side of the battery. Place the BLACK lead onto the negative (-) side of the battery.

A: Make sure the battery clips are firmly connected to the battery terminals. Make sure the battery clip polarity is correct (red battery clip is connected to the positive (+) battery terminal, black battery clip is connected to the negative (–) battery terminal).

A: Make sure the upper and lower ferrite cores of the inductive pickup clip are clean. Make sure the inductive pickup clip is properly connected to the No. 1 spark plug cable.

A: Our timing lights will only work on conventional breaker point, and electronic ignition systems, or with DIS (distributorless ignition systems). Some DIS systems are not adjustable. Consult the vehicle's service manual for procedures and specifications before at-tempting to time vehicles with DIS systems.

A: Consult the vehicle's service manual for procedures and specifications.