When you say it leaks in the cab, do you mean you get water on the floor when you run the AC? The drain tube for the AC condensate comes out the...
When I first got my truck the contacts inside the distributor cap and the contact on the rotor were very corroded, something to check as part of...
You could try just unplugging the radio itself and seeing what you get, this assumes you used a connector of course. On the stock radio connector...
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