Question about 1999 Chevrolet Silverado 1500

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Wiper motor overheats

Windshield wipers work only on high wife left them on we got ice overnight she warmed truck up next morning only wrked on high the manual for my 1999 silverado 5.3 4x4 says theres an internal circut breaker do i need to reset or is it a fuse issue thanks steve

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  • kphnm Feb 27, 2009

    Wipers only turn on to high mode. Have to turn on and off to get them to lay down after use. No delay/slow or intermintant wipe ability.

    99 Chevy Silverado 1500

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Sorry but she burnt low up !

Posted on Feb 18, 2009

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2 Answers

My wiper motor only works on high and stops were ever the wipers are at. And the washer motor doest #39;t work


Low Speed Windshield Wipers
Low speed is activated when the multifunction switch supplies a specific ground to the speed inputs of the windshield wiper motor module. The windshield wiper motor module then supplies ground to only the windshield wiper run/park relay coil, activating it. When the windshield wiper run/park relay is activated, the deactivated high/low relay connects voltage to the windshield wiper motor low input activating the wiper motor. The windshield wiper motor module continues to operate the windshield wiper motor in the same manner as in high speed, but in low speed with the wiper motor connected to the low speed input.
Washer System
The windshield washer is activated by the internal wiper motor module when it receives a ground signal input from the multifunction switch. Dependent on the switch selection, the internal wiper motor module activates the windshield washer relay (internal) by grounding the respective relay coil. When the relay is activated, it connects voltage to the washer pump while the washer level switch provides ground to the washer pump.
Visual Inspection Chart Mechanical Electrical
  • Windshield washer hoses
  • Wiper linkage
  • Multifunction switch
  • Battery junction box (BJB) fuse 110 (30A)
  • Central junction box (CJB) fuse 13 (10A)
  • Circuitry
  • Windshield wiper motor
Symptom Chart Condition Possible Sources Action
  • The wipers are inoperative
  • Fuse(s)
  • Circuitry
  • Multifunction switch
  • Windshield wiper motor
  • Go To Pinpoint Test A .
  • The wipers stay on continuously
  • Circuitry
  • Multifunction switch
  • Windshield wiper motor
  • Go To Pinpoint Test B .
  • The high/low wiper speeds do not operate correctly (intermittent wiper mode OK)
  • Circuitry
  • Multifunction switch
  • Windshield wiper motor
  • Go To Pinpoint Test C .
  • The intermittent windshield wiper speed does not operate correctly (high/low speeds OK)
  • Circuitry
  • Multifunction switch
  • Windshield wiper motor
  • Go To Pinpoint Test D .
  • The wipers will not park at correct position
  • Pivot arm adjustment
  • Linkage
  • Windshield wiper motor
  • REFER to Windshield Wiper Blade and Pivot Arm Adjustment in this section.
  • The washer pump is inoperative
  • Circuitry
  • Windshield washer pump
  • Multifunction switch
  • Windshield wiper motor
  • Go To Pinpoint Test E .
Do you know how to do electrical testing ?
  • windshield wiper motor
  • PINPOINT TEST C: THE HIGH/LOW WIPER SPEEDS DO NOT OPERATE CORRECTLY (INTERMITTENT WIPER MODE OK) s6a~tr~en~file=ani_caut.gif~gen~ref.gif CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.
    Test Step Result / Action to Take C1 CHECK THE MULTIFUNCTION SWITCH
    • Key in OFF position.
    • Disconnect: Multifunction Switch C202b.
    • Carry out the multifunction switch component test. Refer to Wiring Diagrams Cell 149 for schematic and connector information.
    • Does the multifunction switch pass the component test?
    Yes
    GO to C2 .

    No
    INSTALL a new multifunction switch. REFER to Section 211-05 . C2 CHECK CIRCUIT 57 (BK) FOR AN OPEN
    • Measure the resistance between the multifunction switch C202b-5, circuit 57 (BK), harness side and ground.
      s6a~tr~en~file=n0025872.gif~gen~ref.gif
    • Is the resistance less than 5 ohms?
    Yes
    GO to C3 .

    No
    REPAIR the circuit. TEST the system for normal operation. C3 CHECK CIRCUITS 56 (DB/OG), 61 (YE/RD), AND 63 (RD) FOR OPENS
    • Disconnect: Windshield Wiper Motor C125.
    • Using the following table, measure the resistance between the multifunction switch C202b harness side and the windshield wiper motor C125 harness side:

      Multifunction Switch C202b Windshield Wiper Motor C125 pin 6, circuit 56 (DB/OG) pin 10, circuit 56 (DB/OG) pin 1, circuit 61 (YE/RD) pin 1, circuit 61 (YE/RD) pin 4, circuit 63 (RD) pin 9, circuit 63 (RD)

      s6a~tr~en~file=n0025874.gif~gen~ref.gif
    • Are the resistances less than 5 ohms?
    Yes
    GO to C4 .

    No
    REPAIR the circuit. TEST the system for normal operation. C4 CHECK FOR CORRECT WIPER MOTOR OPERATION
    • Disconnect all wiper motor connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all wiper motor connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present?
    Yes
    GO to C5 .

    No
    The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. TEST the system for normal operation. C5 CHECK THE WINDSHIELD WIPER MOTOR
    • Key in OFF position.
    • Disconnect: Windshield Wiper Motor C125.
    • Carry out the windshield wiper motor component test as outlined in this section.
    • Does the windshield wiper motor pass the component test?
    Yes
    The system is operating correctly at this time. The concern may have been caused by binding or incorrect pivot arm adjustment. REFER to Windshield Wiper Blade and Pivot Arm Adjustment in this section. TEST the system for normal operation.

    No
    INSTALL a new windshield wiper motor. REFER to Windshield Wiper Motor in this section.

    Jul 20, 2016 | 2006 Mercury Grand Marquis

    1 Answer

    My front windshield wipers will only work on high. Any suggestions?


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    Feb 09, 2016 | Cars & Trucks

    1 Answer

    Why are front windshield wipers stuck in the up position?


    because thats when your motor went or the motor was repaced in the wrong postion

    Jan 14, 2016 | 2008 Chevrolet Uplander

    1 Answer

    Windsheild Wipers will not move, the arm seems to be slipping on the motor shaft,


    It sounds like you live in a climate were snow and ice occurs. If so a lot of people leave their wipers on upon shutting off their cars. If you happen to do that and the windsheild had moister on it or if the snow starter falling while your vehicle was still warm it will freeze. The larger the snow amount the stronger the force will be if you start your vehicle up the next morning with your wipers buried in frozen ice & snow. Since the wipers were not shut off the wiper motor will run and the wiper blades will not. This will strip the linkage the wiper arms press onto leaving you with out working windsheild wipers

    Jan 27, 2010 | 2003 Chevrolet Tahoe

    2 Answers

    Front wipers stopped working but you can hear the motor run also


    If the wipers were buried under snow/ice or frozen to the windshield, you may have blown the red 10 amp fuse located in cavity 9 in the fuse block located on the bottom left side of the instrument panel near the parking brake pedal.
    In order of easiest to check:
    1) ensure wipers not frozen to windshield.
    2) ensure wiper arms are not loose on the pivot stud,
    3) check the red 10 amp fuse.
    You stated that "you can hear the motor". Which motor do you hear? The engine or the wiper motor?
    If you hear the wiper motor, then the fuse is alright. Try 1) and 2) above.
    PT Stanley

    Jan 20, 2009 | 1998 Dodge Grand Caravan

    1 Answer

    My wipers blades will not function. Checked fuse already


    sounds like the motors burnt out due to the excess friction on the windshield

    Jan 05, 2009 | 2003 Mini Cooper

    1 Answer

    Delay and low range wiper setting do not work on my 2001 1/2 TRK


    Chevy has had Problems with the Wiper Motors on these Trucks for a Long time now. On some Models they Issued Recalls. On My 95' I just Replaced the Wiper Motor and have had NO Problems Since!

    Nov 13, 2008 | 2001 Chevrolet Silverado 1500

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