Google services actually not very good. Found a work around. @halifaxhops
Here's the test. 12 V from the car battery to the IVR.
Gages have resistors to ground. 11 Ohms on Fuel gage, 22 Ohms on the others.
Voltmeter was set on the 0 to 8 Volts scale. @MOPARMITCH
You might recognize the music from neighboring garage.