* Works On GM Based MEFI 1- MEFI 4
* Reads Fault Codes And To Set Ignition Timing
* Perfect For Low Volume Repair/Troubleshoot
*Not for use with MEFI 5 or 2001 and newer Mercruiser ECM-555 or PCM-555.
* Not for use on 2006 up Indmar (MEFI 5) or 2007 up PCM (E-controls).
* For detailed information on setting base timing purchase the appropriate GM MEFI manual (Item 51005, 2601, 2004142).
Bin Number (ISBN): 4213, AKA Winky Blinky
