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Vehicle Tab
Contains settings that control the input channel that drives the internal odometer and local RPM and speed
calculations. The odometer can source can be selected from EFI Transmission Speed, an EFI input, local
Dash speed input using the optional I/O adapter (558-432) or with the optional GPS (554-140).
Trans Speed: Use with supported transmission. Requires that you have a properly setup transmission ICF in
your Dominator ECU.
GPS Speed: Use this setting with the Holley 554-140 GPS module. No additional setup is required.
Dash Speed: Use this setting when you want the speedometer and odometer to read from a speed sensor
going directly to the dash on IO3 or IO4 of the optional I/O adapter harness 558-432. This is the only setting
that requires you to fill out the Local Dash Speed Calculation area on the Holley Digital Dash.
ECU Input: Use with a custom speed sensor input from the I/O section of your Holley ECU. The ECU input
must be named “speed” and the units set to miles/hour for the odometer to report distance accurately.
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