13 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHIntermittent wiper delay solution?
Leading reported evidence
Replace potentiometer or substitute a relay
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
I searched the archives here and on Renntech, and a couple of people mentioned that you could change the potentiometer or substitute a relay from an older VW (worked on 928s, not sure about 996s) to get a more reasonable shortest intermittent wipe interval.
Leading evidence: 'Replace potentiometer or substitute a relay' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace potentiometer or substitute a relay' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Replace potentiometer or substitute a relay
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
I searched the archives here and on Renntech, and a couple of people mentioned that you could change the potentiometer or substitute a relay from an older VW (worked on 928s, not sure about 996s) to get a more reasonable shortest intermittent wipe interval.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
13 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T052503Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Driving through the drizzle this morning, the absurdity of the ~6 second minimum wipe interval became very clear (or not clear, in this case).
I searched the archives here and on Renntech, and a couple of people mentioned that you could change the potentiometer or substitute a relay from an older VW (worked on 928s, not sure about 996s) to get a more reasonable shortest intermittent wipe interval.
So, here we are a few years later, has anyone solved this problem?
The delay interval goes from about 6 sec at the shortest, to something like 20 min
at the longest. Most cars go from about 2 sec (just a tiny bit slower than low wiper speed) to about 30 sec.
In most drizzle/light rain situations, you want about 3-4 second delay.
I notice there is a different part number for the potentiometer that goes with the M265 rain sensing option. 996.613.127.10 with vs 996.613.115.10 without.
Also they changed part numbers for 2002 and later vs 2001 and earlier.
I wonder if any of the other pots have a different range?
Mine is pretty aggressive on the high end. Even at 50% I was getting a swipe every 2sec in steady rain.
Also keep in mind that I think the thing is speed sensitive too.
Are you referring to the rain sensor? I'm just talking about the standard, potentiometer controlled intermittent wipers.
But if so, does that imply that the rain sensor pot has more range? Or is there something else about the rain sensor that enables it to run at a shorter interval?
ooops...yes I'm talkin rain sensor...guess I didn't read closely.
I assume that the rain sensor is computer controlled as well as working w/ the pot. I really have no clue if it would work on a regular wiper and if it would give you any more range.
But rain sensing automatically turns on the wipers? Does it make the wipers come on intermittent under very light rain, switch to low speed/high speed on it's own? Basically, I'd like somebody to outline rain sensing operation please!
The rain sensor detects the drops of rain on the windshield and turns on the wipers for one sweep when it senses the drops. No speed control is involved. The on/off two speed of the wipers will still function as it does now.
