This unit is working in a similar way than the N1 indicator that was reviewed in a previous post.
The Unit...
Brand: Smith Industries
PN: WL202EED4
The pinout...
After analyzing the important boards inside, I could take this notes:
Pretty simple to wire it, right?
Test of the unit...
In normal operation should look like this:
During the BITE test:
Applying pulses with a frequency range between 90 Hz and 2.78 KHz, produces this result:
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