2008 Dodge Ram wipers would work on intermittent and regular speed, but stop when switched to high speed. Now won't work at all except for short movement occasionally when switched on.

Do you know anything about automotive electronics ?

FRONT WIPER/WASHER SYSTEM

The windshield wipers can be operated with the windshield wiper switch when the ignition switch is in the RUN or ACCESSORY positions. The wiper/washer switch is integral to the multi-function switch. It is a resistive MUX switch that sends inputs to the Steering Control Module (SCCM) then across the LIN bus to the Cabin Control Node (CCN) and from the (CCN) across the CAN Interior High Speed bus (CAN I-HS) to the Totally Integrated Power Module (TIPM) to operate the wiper/washer system.

FRONT WIPER/WASHER SYSTEM

The wiper motor has permanent magnetic fields. The speeds are determined by current flow to the appropriate set of brushes inside the motor. The current flow is controlled by the multi-function switch. The high speed/low speed relays are located in the Totally Integrated Power Module (TIPM), and cannot be serviced separately. The speed sensitive intermittent wiper is controlled by the TIPM. When in the intermittent mode, and the vehicle traveling greater than 10 mph, the delay between wipes will range from 1 to 18 seconds. With the vehicle traveling less than 10 mph, the time delay doubles to a delay range of 2 to 36 seconds. The wiper arms will park at the base of the windshield just above the cowl cover after the wiper switch is turned OFF. The washer pump for the front washer system is shared with the rear washer system by the use of a reversible washer pump motor. The windshield wiper motor and linkage is located in an integral wiper unit at the rear of the engine compartment. The wiper unit must be removed to gain access to the wiper motor.


For a complete wiring diagram Refer to the Wiring Information.

1. When Monitored: With the ignition on.
   
2. Set Condition: The Totally Integrated Power Module (TIPM) detects a short to ground on the Wiper Park Switch Sense circuit.
   

2
No

1. The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
2. Perform the BODY VERIFICATION TEST - VER 1. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure)

(Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure)
No

1. Go To 3

(Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure)
No

1. Repair the (W7) Wiper Park Switch Sense circuit for a short to ground.
2. Perform the BODY VERIFICATION TEST - VER 1. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure)

Your best bet , take it to a qualified repair shop .

Sounds like wiring is wrongly connected, Can check wiring connection(plugs)

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RAM 1500 Intermittent Wiper Screwed Up / broken. ... Update: AFTERMARKET PART (NOT the original) works PERFECTLY: (603) 758-1046 is the CITGO in Hampton, NH ... I lived with it in my 04 Ram but now there is no intermittent - its on or off. ...Replaced the wiper motor - it has the "intelligence" in it.

The intermittent switch has a bad contact in it for the high speed, i would say, most likely will have to replace it.

Yes that is likely a switch problem. Before you buy any parts have a shop confirm my guess.

two causes.. one switch bad or bad wiper motor

could be a problem in the wiper motor it may have a short

sounds like you have a bad multi function switch ( the wiper switch that is also a turn signal switch)

There is a fault with Wiper stalk have got same prob with my 2006 ram 1500 5.7l hemi they should change under warrenty are with mine