nickb21 Posted May 31, 2006 Share Posted May 31, 2006 I'll try to keep this story short. I left my '02 OBW ~75k in the driveway for about a week, running fine. I head to work this morn and I hear a knocking noise, kinda like when a stone is stuck in the tire as I drive down the road (but a little more metallic now that I think about it). I figure it'll work itself out. Well I hit about 40 going downhill and as I slow to a stop, it works itself out. CEL comes on, car is running fine though. I get on the highway and I notice no speedometer and no odometer. Sweet! I look later and the three wires for my VSS have all been cut near the main harness. One of the other cable casings has been chewed up pretty bad. I taped 'em back together for now, will have to find some solderless crimp fittings. Interestingly enough, with no VSS the engine won't rev past 4500rpm (hits the fule or rev cut). And the revs seem to "hang" when shifting. Looked on the street, but couldn't find the culprit.. must have wrapped something around the axle... I guess. (Unless I'm missing a part now! ) One question, on the driver side of the trans (MT) there are two plugs, I assume one is for the reverse light switch. What's the other for? Quote Link to comment Share on other sites More sharing options...
Legacy777 Posted May 31, 2006 Share Posted May 31, 2006 Yeah the car does some funky stuff without the VSS working properly. So yeah I'd recommend trying to fix the wiring as soon as you can. The two things on the driver's side of the MT are the neutral switch & reverse switch. Quote Link to comment Share on other sites More sharing options...
nickb21 Posted June 2, 2006 Author Share Posted June 2, 2006 Yeah the car does some funky stuff without the VSS working properly. So yeah I'd recommend trying to fix the wiring as soon as you can. The two things on the driver's side of the MT are the neutral switch & reverse switch. Yep she's almost as good as new now. Out of curiosity, what does the neutral switch do? Quote Link to comment Share on other sites More sharing options...
simbey1982 Posted June 2, 2006 Share Posted June 2, 2006 It tells the ECU wether the Car is in gear or in neutral. If you put an ohmeter on the switch you will notice the circuit closes when in nuetral and opens in gear...or vice versa...now what it actually does to the fuel mapping etc...i dont think it does anything, but it is there Quote Link to comment Share on other sites More sharing options...
OB99W Posted June 2, 2006 Share Posted June 2, 2006 Out of curiosity, what does the neutral switch do? Mostly, it minimizes lawsuits . When it's working correctly, it usually prevents the starter from cranking in any gear position other than neutral, so that if the clutch is engaged the car won't move. (If it's defective or misadjusted, it can prevent the starter from working at all, or allow it to crank in a driven gear.) Quote Link to comment Share on other sites More sharing options...
nickb21 Posted June 3, 2006 Author Share Posted June 3, 2006 Car definitely starts in gear, as long as the clutch is pushed in. I didn't even think of it, but I bet it causes the cruise to turn off if it's bumped out of gear. Reason I ask is that the casing with those wires had a bit of damage, fixed it, but just wanted to make sure nothing bad would happen just in case. Cheers. Quote Link to comment Share on other sites More sharing options...
Legacy777 Posted June 3, 2006 Share Posted June 3, 2006 Mostly, it minimizes lawsuits . When it's working correctly, it usually prevents the starter from cranking in any gear position other than neutral, so that if the clutch is engaged the car won't move. (If it's defective or misadjusted, it can prevent the starter from working at all, or allow it to crank in a driven gear.) Nope....the neutral switch does not prevent the car from starting. The neutral switch tells the ECU when the car is in neutral so the ECU adjusts timing and what not so idle remains steady. It doesn't really do much on a MT, but on an AT, it does. The clutch interlock system prevents the car from starting without depressing the clutch. 1 Quote Link to comment Share on other sites More sharing options...
OB99W Posted June 3, 2006 Share Posted June 3, 2006 Nope....the neutral switch does not prevent the car from starting. The neutral switch tells the ECU when the car is in neutral so the ECU adjusts timing and what not so idle remains steady. It doesn't really do much on a MT, but on an AT, it does. The clutch interlock system prevents the car from starting without depressing the clutch. Sorry, that's what a guy who owns an OB with AT gets for giving generic info ! Quote Link to comment Share on other sites More sharing options...
Legacy777 Posted June 4, 2006 Share Posted June 4, 2006 No worries Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.