Question about GMC G3500

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My wipers only work in the last intermitant position or on low or high

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A common cause for for this type of issue are wiper modules which are attached to the wiper motor. It could be an issue with the switch as well but would lean more towards a module being the problem or plug going to the module.

Posted on Apr 06, 2011

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I'm driving in rain, wipers working good, all of a sudden they quit! I drive for 15 min, check again, they work for a while, then quit again...what in the problem?


If your not familiar with automotive electronics an module control of components , I suggest you take it to the dealer . They have the tools to diagnose this type problem !
The Wiper/Washer System consists of the following components:
?€¢
Windshield wiper/washer switch


?€¢
Body control module (BCM)


?€¢
Wiper PCB relay


?€¢
Wiper high PCB relay


?€¢
Windshield wiper motor


?€¢
Windshield washer fluid pump


?€¢
Windshield washer fluid level switch


?€¢
WPR fuse 25 A


?€¢
WSW fuse 10 A


Low Speed Operation
When the wiper switch is in the low speed position, ground is applied through the switch internal resistor and the wiper switch low signal circuit to the body control module (BCM). In response to this signal, the BCM energizes the WIPER PCB relay by applying battery voltage through the wiper relay control circuit to the coil side of the relay. This allows battery positive voltage from the WPR fuse to flow through the switch input side of the WIPER PCB relay and out to the switch input side of the WIPER HIGH PCB relay. Since the wiper high relay is de-energized and its switch contacts are normally closed to the low speed control circuit of the windshield wiper motor, the motor will operate at low speed.
High Speed Operation When the wiper switch is in the high speed position, ground is applied through the windshield wiper switch high signal circuit to the body control module (BCM) indicating the wiper high speed request. In response to this signal, the BCM then energizes the wiper PCB relay, as stated above, and the wiper high PCB relay by applying ground through the control circuit to the coil side of the relay. With the wiper high relay energized and its switch contacts closed to the high speed control circuit of the wiper motor, the motor will operate at high speed.
Wiper motor high speed operation and the wiper high speed PCB relay can also be commanded ON/OFF by using a scan tool. Refer to Control Module References.
DTC B3715 02: Front Wiper Relay Drive Circuit Short to Ground
DTC B3875 00: Wiper High Speed Relay Circuit
DTC B3922 00: Front Wiper Function Select Circuit
You could Have a switch problem , BCM problem ,PCB relay problem , the pcb relays are non serviceable an the whole under hood fuse box would need to be replaced . Malfunctioning motor bad ground some where etc.....

Dec 20, 2015 | 2008 Chevrolet Impala

1 Answer

Wiper problem-93 Ford Ranger XLT,2 wheel drive,3.0 v-6.auto. Only have high speed,no more intermitent,no longer returns to start position-HELP


probably the motor but chaeck this first G3 CHECK CIRCUIT 58 FOR BATTERY VOLTAGE
  • Unplug wire harness connector.
  • Set wiper switch on low.
  • Check Circuit 58 for battery voltage key on.

    k17829a.gif

arrow.gifVoltage OK
CHECK for malfunctioning wiper motor. Perform low speed current draw test. SERVICE as required.
arrow.gifVoltage not OK
CHECK for:
  • Open connector.
  • Malfunctioning switch.
  • Malfunctioning governor.
  • Open wire Circuit 58 (W).

Jun 02, 2010 | 1993 Ford Ranger SuperCab

1 Answer

Wipers dont work on intermitent thry work on high and low but stop on windsheild when pulsed this is a 2000 L 2


replacing the front wiper motor on the early L series is not difficult.
search around in fixya and you will find my instructions somewhere
at least twice. do not buy a replacement wiper motor from saturn, they are much cheaper through advance or autozone.

before you begin the repair, make sure your wiper switch is off and note the
wipers off position of the crank arm as stamped onto the wiper mount. this will make sense after you have the assembly out of the car and are replacing the wiper motor. if you ignore that mark then the wipers will be in the wrong position all the time.

Nov 27, 2009 | 2000 Saturn Ls 4dr Sedan

1 Answer

Which fuse controls the windshield wipers??


There is no separate fuse for intermittant. You have a wiper fuse, and that's all. If that part has stopped , you have a probel with the switch, or the circuit board for your wiper motor.

Jun 06, 2009 | 1998 Isuzu Amigo

2 Answers

Wipers do not work in intermittent position. They do work in low and high speeds but do not automatically return to the park position. They stop wherever you turn the switch off.


i belive that your wiper switch has gone out on the intermittent side. this is a very common problem.
I hope this helps you
Thanks
Please leave rating

Apr 21, 2009 | 2000 Isuzu Amigo

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