Question about 1995 Saturn Sc

3 Answers

Working on loose radio wires then probably shorted something out. Starter won't work. (engine won't turn over

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  • robertjmjrs Jun 26, 2009

    I tried to repair loose/ ratty radio wires and I heard a buzzing noise like I had shorted something. I checked every fuse I could locate in the car, especially looking for anything with "Starter" or "starter relay"; no bad fuses. Then tested starter and selenoid. Both are good (got starter to engage by connecting battery wire to selenoid lead on starter. Headkights are bright. Do you have free diagrams to check for a relay? Bob

  • robertjmjrs Jun 26, 2009

    Thankyou, Since none of the wire names seem to be related to the starter, it may be possible that some other wire was shorted. Do you have a description or diagram of the starter circuit with wire colors and routing? The starter is OK since current supplied directly to the selenoid on the starter causes it to work. Does this car have a starter relay, other fusing related to the starter circuit? I believe it is an automatic. (it is my daughter's car. Thanks, Bob

  • robertjmjrs Jun 26, 2009

    Do you have any free wiring diagrams so I can check out some of these circuits myself? Thanks, Bob

  • robertjmjrs Jun 27, 2009

    Thanks, I think I can figure everything out if I had a schematic. Bob

  • robertjmjrs Jun 27, 2009

    Just what I needed thankyou

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  • Master
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SC1 or SC2 ??

Please use the "Continue With this Expert" option so I can provide you with the schematic.

Thanks!!

Posted on Jun 27, 2009

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  • blueextc3221
    blueextc3221 Jun 27, 2009

    My original question - do you have the saturn SC1 or SC2 ??

  • blueextc3221
    blueextc3221 Jun 27, 2009

    CLICK HERE for the SC1 Starting system Schematic.

  • blueextc3221
    blueextc3221 Jun 27, 2009

    Looking at the SC2 - the schematics are identical - so that is irrelevant now.



    If you need further help diagnosing please use the "Continue With This Expert" option so we are connected directly in the future.



    Please take the time to rate this answer Fixya for providing the required schematic.



    Thanks :D

  • blueextc3221
    blueextc3221 Jun 27, 2009

    The only "powered" wires behind the radio (in the radio harness) are constant battery power and switched ignition power.



    Constant power is ORANGE

    Switched Power is YELLOW



    Here is a secondary schematic of the starter showing the relay and ignition.

  • blueextc3221
    blueextc3221 Jun 27, 2009

    please remember to rate. Thanks :D

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  • Saturn Master
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Check all the fuses, also under the hood, use a 12 volt test light, they are very cheap and avial at ay auto parts store, not sure what u did to the wires of the radio, but here is a diagram by color of what each wire does.

1995 Saturn SC Car Radio Wire Diagram
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blu

Posted on Jun 26, 2009

  • yadayada
    yadayada Jun 26, 2009

    go to the starter and have someone hold the key in the engine crank position, then use that test light to see if 12 volts is reaching the starter solenoid, if it does replace the starter solenoid, if not you will have to have the security system tested, this may be locking the starter out, it is a very common fault on this car. None of the starter wiring runs near the radio, so I think this is coincidence

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  • Master
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Hi robert,

You are correct, if there is lights on the car but no start when you turn the key on, this is an issue with the starter solenoid. This will mean that you have to replace the assembly which may cost around 150-200 including repair. This is best done by a professional mechanic.

Now IF there are no lights on the car, as in all lights dead, you may want to try another battery to save you 3/4 of the cost of replacing a starter.

hope this helps.

regards,

voodoo

Posted on Jun 26, 2009

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