1970 radio problem - Ford Mustang Forum
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post #1 of 4 (permalink) Old 11-18-2004 Thread Starter
Tyler1970FB's Avatar
Joined: Oct 2004
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1970 radio problem

I receintly took out the radio in my 1970 Fastback and when I reinstalled it I can't get it to turn on. Here's the tricky part, I have the power supply plugged into the radio and I know that the unit is getting power because the clock works on the display of the radio. The problem is that when I switch the radio to on, it does not power up. Is this a wiring problem or is the radio unit shot?

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post #2 of 4 (permalink) Old 11-21-2004
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All I can say is make sure that your ACC, pos, and ground wires are all hooked up tightly and it should work, if not, you've probably got a problem in your radio.

Cardinal Red '88 GT 5 speed, 99 Contour Electric Dual Fans, Battery relocated, 130 amp alternator, 76mm Mass Air conversion, 75mm BBK throttle body, 5.0L .030 over, BBK SSI, AFR 185cc heads, Comp Cams XE276HR, BBK ceramic longtubes, Spec Stage II clutch, MM front/rear coil overs, MM front LCA's, MM manual brake conversion, Flaming River Manual Rack, 94-04 Cobra front brakes, 99 Cobra IRS, Torsen T2R differential, 3:55 gears
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post #3 of 4 (permalink) Old 11-29-2004
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Also make sure you have both power wires connected - constant and switched.

'88 GT convertible, 5 speed, 3:08 gears, A9L Mass Air conversion. Mac shorty headers and H-pipe, Magnaflow catback.
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post #4 of 4 (permalink) Old 12-08-2004
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there are definitely two power wires. the clock needs a constantly on power wire. the radio uses a normally off (switched with key) power wire. sounds like you missed a wire.
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