Factory installed clocks were optional in all 1200 models. They came in rectangular or round styles.
Overview
Rectangular, genuine Niles clock for STD or DX model. This one is for later B120 pickup.
Jeco original style - Narrow Font
Wiring
The clock has a third wire, which goes to the Red/Black wire hanging down from the harness. This is the constant-Hot wire. If you wire to IGN, it only runs when the key is on :-)