This tach adapter will allow you to connect a tachometer shift light or rpm activated switch to a distributorless ignition system including 1999 and newer ford mustangs. Save time frustration and dont make a single cut in your factory wiring with autometers plug and play ls tach harness.

Autometer Plug And Play Ls Tachometer Harnesses 9123
Autometer tach adapter 9117. It senses current on the coil positive wire and converts it to a 12 volt signal output. Digital tachometer handheld photo laser tachometer non contact digital tach meter rpm meter. Auto meter 2303 autogage white face tachometer. Pedestal mount tachometer 0 10000 rpm with large external shift light. Auto meter 233904 autogage monster shift lite tachometer. Oem spec connectors and wiring assure a hassle free installation that takes minutes rather than.
Thanks for your questionthe atm 9117 adapter is designed to be fully compatible with all autometer tachometer offerings and should also therefore be compatible with other tachs and rpm devices which are designed to safely interpret a 12v square wave frequency signal similar to what would be provided from a performance aftermarket ignition tach output. 1 tach adapter 9117 1 butt connector 3 mounting screws 2 bullet connectors the auto meter tach adapter wires in line on the positive 12 volt supply wire. Autogage by autometer 5 in. This item auto meter 9117 tachometer adapter. This plug and play solution lets you quickly and easily install the autometer 9117 tach adapter onto your ls derived engine. This adapter senses the current from the positive coil source wire and converts it into a 12 volt square wave signal that can be read by auto meter tachs and accessories.
9117 rpm signal adptr distrbtrless ign. This fully potted weatherproof module can be wired into the power supply of a coil per cylinder ignition system where it senses current and creates a conventional 12v square wave signal output which can be utilized by autometer tachometers and many aftermarket rpm activated devices.