Near Intersection of I-35 & I-90 Southern Mn. | Here's my guess. Use a volt meter and put the black probe on Hinkier Pin 1. Put the red probe on Pin 3. If the voltmeter reads +12VDC this pretty much assures that Pin 1 is ground and Pin 3 is 12V.
If so try the following:
You will need a 4 pin AMP connector with 4 male pins and the protective shell.
The wire that went to Hiniker Pin 1 is likely ground so attach it to an Amp pin and insert it at location 1.
The wire that went to Hiniker Pin 2 is likely the signal pin so attach it to an Amp pin and insert it at location 2
Make a jumper out of a piece of wire and put an Amp pin on each end. Insert one pin in at location 3 and the other end in at location 4.
The power from the Hiniker plug is not needed so it is not connected to anything. It may be 12V so insulate it
Looping Pin 3 back to Pin 4 may seem strange. The reason is so the D.J. monitor will be tricked into thinking it is connected to a real D.J. radar gun and behave properly. Otherwise it may think that it is connected to a ground speed sensor and the speed indication will be incorrect.
Edited by tedbear 3/25/2025 08:13
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4 pin amp radar plug
