Here are the results. When R/R disconnected, lights do not pulsate.
Red Probe/Black Probe/
[resistance]
Black1/Black/Red-nothing or open
Black1/Black/White-3.24 mega ohms
Black2/Black/Red-nothing
Black2/Black/White-3.26 mega ohms
Black3/Black/Red-nothing
Black3/Black/White-3.21 mega ohms
Then reverse the polarity of the test probes:
Black Probe/Red Probe
Black1/Black/Red-3.2 mega ohms
Black1/Black/White-nothing
Black2/Black/Red-3.4 mega ohms
Black2/Black/White-nothing
Black3/Black/Red-3.4 mega ohms
Black3/Black/White-nothing
Diode setting
-nothing
Reverse- nothing