Please help radio install problems

[chevymotocross]

My truck came with an old Sanyo cassette player. The radio worked fine but obviously I wanted to upgrade to a cd player. The problem is, after removing the sanyo, I noticed the PO hard-wired the system. Anyways, I bought a JVC unit, matched all the wires, powered up but no sound at all from any speakers. I reconnected the old sanyo back to make sure it wasn't something I did, and the sanyo worked. So I returned the JVC thinking it was defective and bought a Pioneer unit. Wired up the pioneer, powers up, no sound! I notice there is a plug, coming from the truck's wiring end, looks like maybe an OEM radio plug, with 3 wires, black, yellow, and grey. Only the grey is connected, the yellow and black are cut and the plug goes to nothing. Why the heck am I not getting any sound from the new units but with the old Sanyo cassette!?

[chevymotocross]

Guys, disregard, I got it working. The crimps were too big, none of them were making contact! I soldered the wires and it all works. I'm still not fond of the stereo wiring deeper in the dash that the PO did..... but it works.

[Pyrotechnic]

Glad to hear you got it working. Butchered wiring syndrome sucks to clean up but it's well worth the effort.

[chevymotocross]

Yup, got it all working BUT the front left speaker has a problem. When I go to hook up the LF speaker wires, all sound stops. When I remove those 2 wires, the other 3 speakers work fine. Must be a short or something? I also need to figure out how to mount the headunit in place. I still have to cut the dash metal and plastic bezel, but supporting the headunit firmly has me questionable.

[Pyrotechnic]

if you aren't 100% confident about cutting your dash I would find another stereo since it' not too hard to mess the dash up. Custom Auto Sound shaft mount radios and matching CD changer are a little on the pricey side compared to modern DIN stuff but the pay off is that it all bolts in and looks original.

[chevymotocross]

Yea, I think I can make it mount. I wonder what is up with that front driver speaker. I'm not sure why it would cancel sound, when connected to the new headunit, and not the old one?

[knightlife]

suggestion...re-wire the speaker setup using all new 12 ga speaker wire...

that usually helps on a lot of it :/