AEM Infinity Supported Applications - Universal V8 Engine - Manual (Page 10)

10
© 2014 AEM Performance Electronics
MSD Distributor + ATI AEM 24 Tooth + Honeywell Std Output VR
Sensor
1. Modify and install mechanical advance distributor. (See Modifying Mechanical Advance Distributor , in
this document.)
2. Install ATI AEM Infinity crank trigger. (Note that an adjustable sensor mount is not provided with the
ATI crank trigger.) Position the crank sensor to be near the middle of its adjustment range while being
in between crank teeth with the engine at TDC. Set sensor air gap to .011”.
3. Wiring – note that the Infinity ECU can only accept falling edge VR/mag wave forms. If in doubt, verify
sensor signal with an oscilloscope.
Crank Sensor – Honeywell Std Output VR Sensor Cam Sensor – Modified MSD Distributor
Wire Desc Connect To Wire Desc Connect To
White Crank signal + C1-45 Crk Pos Sens VR+
Black/
Purple
Cam signal + C1-48 Cam Pos Sens 1 VR+
Black Crank signal - C1-46 Crk Pos Sens VR-
Black/
Orange
Cam signal - C1-47 Cam Pos Sens 1 VR-
Note: Use shielded tw isted pair w iring w /drain to
ground. Note: Use shielded tw isted pair w iring w /drain to
ground.
4. Load ATI 24 + Honeywell Std VR base session and review Setup Wizard. (See Setup Wizard , in this
document.)
5. Sync ignition timing. (See Syncing Ignition Timing , in this document.)