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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How do I find out if the wipers on my 2006 H3 Hummeris on a relay?


The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper micro relay
• Wiper 2 relay
• Wiper diode
• Windshield wiper motor
• Windshield washer pump
• Windshield washer nozzles
• Windshield washer solvent container
• Windshield wiper arm and blade assemblies
• Windshield wiper transmission
• WIP/WASH 10A fuse
• WIPER 25A fuse

Wiper/Washer System Description
The body control module (BCM) controls wiper motor low speed operation. The washer pump and high speed operation are controlled directly by the wiper/washer switch. The windshield wiper/washer switch supplies voltage on the signal circuits to the BCM for windshield wiper/washer operation. When WASH, MIST, DELAY, LOW, or HIGH is detected, the BCM energizes the wiper micro relay by suppling voltage to the relay coil. This allows battery voltage from the WIPER fuse to flow through the relay switched input then through the contacts and out the relay switched output to the wiper 2 relay switch contacts. Since the wiper 2 relay switch contacts are normally closed to the low speed circuit of the windshield wiper motor, the motor will operate at low speed.

Low Speed Operation
When the wiper switch is in the Low position, voltage is supplied through an internal resistor to the signal circuit. The body control module (BCM) monitors the windshield wiper switch signal 1 circuit, and energizes the wiper micro relay which will operate the windshield wiper motor. The wiper motor will operate at low speed, since the wiper 2 relay is de-energized. Low speed can also be commanded with a scan tool, by commanding Wiper Relay Cmd. ON and OFF. Refer to Scan Tool Output Controls .
High Speed Operation
In the High position, the windshield wiper/washer switch supplies voltage to both the wiper micro relay and wiper 2 relay coils. This energizes both relays and allows battery voltage from the wiper micro relay switched output to the switched input of the wiper 2 relay through its contacts and out the switched output of the wiper 2 relay to the high speed circuit of the windshield wiper motor. The windshield wiper motor will operate at high speed. During high speed wiper motor operation the wiper switch signal circuit is at the low speed signal voltage, and the body control module (BCM) supplies redundant voltage to the wiper relay via the wiper diode.

This info is out of hummer factory service manual !

Dec 10, 2016 | 2006 Hummer H3

1 Answer

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


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    The windshield wipers only worked occasionally. ... My 1998 dodge ram wipers only work on high will this help me? thanks.... Express van. you have to take out the motor and the transmission from under the front of the van..

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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