99 takoma cd player

Not expert on the newer yota radios but on older ones (96 back). Most of the radios had a round 15 pin plug to add either the add on indash single or multiple (3 or 6 CD players) or the remote 6 CD changer. If you want to take face plste off - the radio has to come out of dash - and there are maybe 608 plastic clips that have to be depress (and butttons removed) to get face plate off. I did it once to replace the dial bulb (Radio Shack had them). Only other caution on combo radios - if you look at one check the plug in the back to see if it matches what is in your truck. The older ones normally had 2 rectangular plug --- newer ones seem to have a single bigger one. The anti-theft ones have one plug and REQUIRE the add on amplifier to even work - and ya need the code if it was set.