AEM 30-4900 Wideband Failsafe Gauge - Manual (Page 14)

Page 15
Output Configuration
The Wideband Failsafe has one ground (low side) output that is triggered when an alarm condition exists.
This output can be used in a multitude of ways to reduce boost, retard ignition timing, or otherwise protect
an engine in the event there is a problem with the fuel system. The following is an index of possible
auxiliary devices that can be triggered by the alarm output:
AEM EMS
Function Description
Nitrous Fuel &
Ignition Maps
Use the ground output to trigger the nitrous fuel and ignition maps; ignition timing can be
reduced and fuel can be added
Boost Switch Use the ground output to trigger the boost switch; a lower boost value can be targeted
Two-Step Use the ground output to trigger the two-step; a lower engine rev limit can be selected
MSD Ignition Products
Product Description
DIS2 (62112)
Brown wire: use a relay to apply +12V to trigger ignition interrupt
Blue wire: use a relay to apply +12V to trigger two step
Pink wire: use a relay to apply +12V to trigger timing retard
DIS4 (62152)
Brown wire: use a relay to apply +12V to trigger ignition interrupt
Blue wire: use a relay to apply +12V to trigger two step
Pink wire: use a relay to apply +12V to trigger timing retard
6AL-2 (6421) Blue wire: use a relay to apply +12V to trigger two step
Programmable
6AL-2 (6530)
Dark blue wire: use a relay to apply +12V to trigger launch rev limit
Light blue wire: use a relay to apply +12V to trigger burn out rev limit
Pink wire: use a relay to apply +12V to trigger timing retard
Digital 6 Plus (6520)
Blue wire: use a relay to apply +12V to trigger two step
Pink wire: use a relay to apply +12V to trigger timing retard
Start/Retard Control (8982) Violet wire: use a relay to apply +12V to trigger timing retard
Timing Controller (8980) Grey wire: ground input to trigger timing retard
Warning Light
The Wideband Failsafe can also be used to directly activate a warning light (Autometer PN 3239 or
similar). Connect the warning light’s white wire to 12V and the low side output to the warning light’s black
(ground) wire to turn the light ON. NOTE: High current lights will require a relay to be installed.