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Re: intermitten power poblem
Ok the twin cams have the brain located right under the seat. think about it, brain **** proximity issues here bro but not to worry it's harley who had their head too close to their **** anyhoo check the connections at the wiring harness to the module for corrosion or otherwise nefarious condition and I bet you get it licked
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Hi Lujan4263, 1997 FLSTC do not have speedometer cables they the speedometers are electronic and have a speed sensor located on top right hand side of the transmission between the top cover and the chrome starter end cap. Good luck
Sorry I don't have a solution, but I have a similar problem. At idle, I run about 14.2 volts and it stays that way up to around 5k, don't go higher in my garage. Anyway, my problem is when my fan kicks on. I have seen my volts drop into the low 10's when fan kicks on. If it is hot out and I am in dealing with lots of stop and go traffic, my fan will kick on a few times...normal so far. But, if this happens too many times without a good stretch of riding in between, my speedo will kick off or go to 188 on the gauge when the fan kicks on. As soon as I pull out the RPM's increase and all is well, but sometimes, I will actually loose my speedo all together. If I shut the bike off for a minute then start it back up, the speedo works fine. Any ideas???
I am no expert on this but have the same problem. Here is where I am at. I bought the truck used, needed a new PCM which after installing one from a gas job and verifying that wiring was good, bought a reman from Chrysler. Speedo still did not work even though it did with the gas PCM but was fluctuating allover. Chrysler replaced PCM and speedo started to work intermittantly. Took truck into dealer and $600. later told mechanic thought it was faulty PCM. He called Chrysler and asked them to pull one from the shelf and test. They said needed a new crankshaft speed sensor.Mechanic took truck on the road, shifted into nuetral then turned ignition back on, speedo works. Replaced crankshaft speed sensor and situation didn't change. Total spent $1000. and no speedo and no overdrive. Speedo started working intermittantly, seemed like depending on transmission temperature. Friend that works on dodge said is instrument cluster. tried another cluster still the same. Replaced ignition switch, thinking that may be the problem. Still the same. Bought a new Neutral starting switch, which I have not replaced as of yet. If I place truck in neutral and start the truck speedometer is activated right away but does not stay. So right now am down to two scenarios. The neutral starting switch or,...... the temp sensor in the oil line. Feeling is it is the neutral starting switch. By the way had already replaced speed sensor in tranny and rear end. Going to replace neutral starting switch, cost is $25. for the part and see what happens. Please keep us posted, as others are having the same problem.
Try inside the tach on the connector. But also remove your speed sensor on the transmission and clean it. They pick up metal chips from the trans and short out. Also, HD had a bunch of bad speedos around your year. They replaced them for free. Doubtful they will replace yours at this late date. You might end up buying a new speedo.
I had this exact problem on my old focus. Its nothing to worry about and its not expensive. Your car has a speed senser underneath the gearbox and a common fault on these cars is for the gearbox to slightly drip oil. When the oil drips it drips right on top of the senser and blocks the speed readings.
The good thing about this is your milage on your car wont go up when the speedo stops working, so when you come to sell it!!!!!!! you get my point.
to fix this problem it cost about £20 if you do it yourself.