Check the listing for details. Timing Light Diesel Converter Box - Sealey TL95 New. Condition: New. Listed at 320.86 USD. • Used to detect the pulse from the fuel pipes of diesel fuel injectors. • Works on most direct injection diesel engines fitted with 6mm(1/4") to 10mm(3/8") external fuel pipes. • Suitable for use with most timing lights, engine analysers and multi-meters • Used to detect the pulse from the fuel pipes of diesel fuel injectors. • Works on most direct injection diesel engines fitted with 6mm(1/4") to 10mm(3/8") external fuel pipes. • Suitable for use with most timing lights, engine analysers and multimeters Used to detect the pulse from the fuel pipes of diesel fuel injectors. Works on most direct injection diesel engines fitted with 6mm(1/4") to 10mm(3/8") external fuel pipes. Suitable for use with most timing lights, engine analysers and multimeters that have an inductive pick-up.