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hi ken, problem with your unit could be internal or external. i assume you not an audio technicain, start with checking all your speaker leads and speaker drivers directly, if any of these are found to be faulty try isolating it then retry to see if sound works again. secondly try resetting your unit. if all checks out well then you have an internal problem with your unit. check out your pioneer repair agent in this regard. remember if both units use the same harness(back plug) then chances are that you have an external problem with the speaker wiring or speakers itself. cheers.
This should be the wiring information:
1998 Saturn SL Stereo Wiring
6 1/2" Doors
Left Front (+)
Left Front (-)
Right Front (+)
Right Front (-)
6 1/2" Rear Deck
Left Rear (+)
Left Rear (-)
Right Rear (+)
Right Rear (-)
Light Blue If you have additional wires, I would see how much voltage is running through them.
ON HEAD UNIT
YELLOW IS THE MEMORY FROM IGNITION
RED CONSTENT LIVE FOR SWITCHED/POWER
BLUE AUX POWER OUT
SPEAKERS PAIRED BY COLOUR.
USE TEST LAMP TO FIND OUT WHICH IS IN CAR TO MATCH HEAD
9V BATTERY TO FIND WHICH SPEAKER TO LOCATE SPEAKER BUZZS ON CONTACT WITH BATTERY
red -Acc power yellow -12 memory power black -ground blue -amplifier remote blue/white -power antenna SPEAKERS white left front + white/black left front - grey right front + grey/black right front - green left rear + green/black left rear purple right rear + purple/black right rear -
Yellow - +12V Constant Power Red - +12V Switched (accessory) Power Blue - Power Antenna Blue/White - Amp Turn-on White - Left Front Positive Speaker Wire (LF+) White/Black - (LF-) Gray - Right Front Positive Speaker Wire (RF+) Gray/Black - (RF-) Green - Right Rear Positive Speaker Wire (RR+) Green/Black - (RR-) Purple - Left Rear Positive Speaker Wire (LR+) Purple/Black - (LR-)
A Pioneer DEH-P2500 power wiring would include: * Black - chassis/body ground (GND) * Yellow - always on B+12 such as the + terminal of the battery; * Red - switched on B+12 such as the ACC terminal of the IGN switch.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
There is no power from the rca jacks. Option 1; connect the speaker wires directly. Any aftermarket auto manual (Hayes, Clymer) with wiring schematics will let you know what wire is what in the dash. Option 2; RCA jacks output to an amplifier. There is no power coming from the RCA jacks. They have to be used with the amp. If you chose to use the normal speaker wires, be aware that these radios do not like stock speakers or wire. If you take the time and money to replace all of it, the head unit will last much longer. If you choose to use an amplifier, it will burn out fast unless you replace the speakers and wires immediately.
i have the same unit i put it in my jeep wrangler had problems as far as which 2 hot wires need to be hooked up. finnally figured it out. take it out hook up the hot wire and ground straight to the battery, it should come on if it does come on then you have a problem in the wiring from the dash, to make sure the wiring in the dash is good you should check your fuses first, then do a continuity test with a volt meter to check for a break in the wire wether it being ground or hot. weed out the simple problems first. if your head unit does not come on from direct hook up to the battery then the problem exist in your head unit