mark 39 Posted February 20, 2020 Share Posted February 20, 2020 Wipers work on high and low full time positions and mist. On intermittent only operates at slowest and fastest delay, nothing in middle. Bad delay module? Multi function switch ?Dirty connection? Thanks for any help in advance. Mark Link to comment Share on other sites More sharing options...
jdog Posted February 20, 2020 Share Posted February 20, 2020 I would say bad intermittent wiper module, behind the driver's side knee guard it a black box, that would be the module. Stock 1988 swb 4.0 ax15 np 231. Link to comment Share on other sites More sharing options...
eaglescout526 Posted February 20, 2020 Share Posted February 20, 2020 Have you done the ground mod and cleaned your grounds? Link to comment Share on other sites More sharing options...
mark 39 Posted February 21, 2020 Author Share Posted February 21, 2020 11 hours ago, eaglescout526 said: Have you done the ground mod and cleaned your grounds? Yes I've done most of Cruiser's tips. I'll have to find a replacement module and see if that cures the problem. Thanks everyone for the help. Link to comment Share on other sites More sharing options...
schardein Posted February 21, 2020 Share Posted February 21, 2020 I recently had this exact problem on my XJ. Swapped several boxes while testing it in the workshop. None of them seemed to work, and I found that strange, I doubted both of my spares were bad/or suddenly went bad. Then I took it for a drive, and it worked. I think it's got to be a ground or poor connection issue somewhere in the circuit. Link to comment Share on other sites More sharing options...
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