Sale Cdi Electronics Trigger Tester (511-9710) Ideal for testing Mercury/Mariner triggers, Chrysler/Force triggers and Chrysler pre-amp and hall effect sensors, OMC 1988 and up V6 Quick Start timer bases. Also used on OMC OIS ignition, EFI.This product replaces:667-5119710, 511-9710 MSRP: $173.18 Was: Now: $150.59 Add to Cart