Engine/Transmission (1998.5 - 2002) O.D shifting in and out

[greenearth2]

My 1998 2500 auto O. D. shifts in and out when I have the intermintent wipers on. When I have them on full speed there is no problem.

 

[Joe Mc]

There's probably electrical "noise" (interference) when the wipers are on. The typical solution is to isolate the alternator power out (I think) to system by wrapping it with foil. Or, installing a DTT Noise filter, or other brand ATS etc. Ton of info on this site - go to search and type "OD in/out", select 2nd gen eng/trans and see what you get = a ton.

It's not uncommon for this to happen - the od thing is that it "only" happens when the wipers are on = I'm guessing there's "just enough" more electrical noise with wipers on to "break the camels back" so to speak to set the noise to a level that interferes with the OD.

 

[greenearth2]

There's probably electrical "noise" (interference) when the wipers are on. The typical solution is to isolate the alternator power out (I think) to system by wrapping it with foil. Or, installing a DTT Noise filter, or other brand ATS etc. Ton of info on this site - go to search and type "OD in/out", select 2nd gen eng/trans and see what you get = a ton.

It's not uncommon for this to happen - the od thing is that it "only" happens when the wipers are on = I'm guessing there's "just enough" more electrical noise with wipers on to "break the camels back" so to speak to set the noise to a level that interferes with the OD.

Thanks Joe, I do remember reading about interference in an issue a few years back, but not having a problem then, I put it on the back burner. I'm sure your right, I'll check the site and I'm sure the problem will be solved. With Tin foil and duct tape-- there is nothing that can stop us now.