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Hiya Mr. Starkie and Mr. Spook,

Using your web browser, please navigate here:

http://www.v8volvo.se/mekartips/volvo/index.html

Click 940. You will see the 1994 940 wiring diagrams as the Mitchell (Volvo 940 1994 Michell.pdf) line art diagrams and the 1994 940 factory green manual (Volvo Gröna 940 1994.pdf) for the electrics.

The intermittent wiper relay engages when the front wiper stalk or, on wagon, the rear liftgate wiper switch, is set to intermittent wipe. On low or high speed wipe, the intermittent wiper relay does not comprise the activated circuit. From the switch to the wiper motor.

In prior posts by our Uncle Art, issues with not being able to park were in a set of contacts in the wiper motor gear box. Also, there could be issue with fraying wire connections that bend with each wiper stalk actuation. Or the copper contacts in the wiper stalk.

Yet the 940 wire harness is much more complicated than 240. So, I'm unsure. Yet Spook is more certain in finding the root cause and remediation.

So, here is Uncle Art's cleanflametrap article about 240 wiper issues with the motor. There exist many threads on the issue one can find with the search feature here. Maybe corrosion at a bonded contact like the

http://cleanflametrap.com/wiper.html

The wiper - gearbox assembly for your 940 Mr. Starkie I guess is Volvo 3518120 and is NLA from Volvo.

https://www.tascaparts.com/oem-parts/volvo-wiper-motor-3518120

Hope that helps you. Thank you.

Unending Insomnia for decades makes me sleepy.
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