1 Factory Radio Black Replacement Antenna Compatible with Chevy GMC Car Truck Van Nissan Oldsmobile More

today we're going to go over the system the GM Delco system that came in the Chevrolets and gmcs for 88 to 90 for most of the pickup trucks this is one of the similar control heads there are several different styles for this control head but this usually setup in the right side of the dash in front of the driver to the right of the steering column and this is called the control head we've seen several problems with this entire system and there are usually two there are two pieces to the system and as an upgrade you could have a variety of a third piece to this system the third piece would be the equalizer and cassette player or the CD player over towards the center of the dash ah this is hooked up in with the CDM box this is the control data module that sits under the dash this is a three piece system if you have the piece in the center of the dash and two if you don't we're going to go