Figure it out its a poorly design amp by pass from AUTOLEADS PC2-92-4
The lead joins 2 yellow wires together
1 is contant
1 is ign power
You need to cut ign power and join to the HU power lead to it
and boom you done it
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If you just plug in the PC2-92-4
You will not get any power to the HU
If you run a seperate power to the HU and leave these 2 wires togther your clock light stays on
message me if you stuck