[doggonit]

Can anyone help me trouble some issues I am having with my 92 Cab with the 490 option? The previous owner hacked it up a bit and I have several issues to sort out:



- No AM Reception

- Extremely weak and spotty FM reception

- The fading/balance not working



Thanks in advance for any assistance.

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[Mark]

the reception is probably the antenna booster, either gone bad or not hooked up. Can't really guess at the other

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[Darryl]

Since you mentioned that the previous owner "hacked it up", it may be tricky to troubelshoot. IIRC, the antennae booster is behind the glove box somewhere. Mark is correct that poor reception would be the symptom of that being disconnected and/or malfunctioning. You may also have a bad antennae connection at the windshield too.



As for the balance/fader issue, it's either a busted head unit control or a wiring issue, which like I said, may be difficult to troubleshoot here on the forum not knowing where we're starting from.



Do all "four" channels of audio work? You should eliminate the easy things first. If not, you're going to need to pull the head unit anyway to do some continuity checks on the wires.



- Darryl

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