Are you using a standard 2CV coil? Reason I ask is that with the Instructions for my Luminition set-up was the warning that Lumie is "Not suitable for coil from 652 Visa".
I dunno wot the difference is ......
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| Visa Ignition http://international2cvfriends.com/forum/viewtopic.php?f=7&t=2616 |
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| Author: | BriBFG [ January 19th, 2011, 11:07 pm ] |
| Post subject: | Visa Ignition |
does anybody have information or know a knowlegable person on Visa ignition systems maybe somebody has some spare components. we've fitted a Visa motor to the Dyane and are having a nightmare with the running. Brian |
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| Author: | lpgo [ January 19th, 2011, 11:40 pm ] |
| Post subject: | Re: Visa Ignition |
Does it run poor or not at all? Is it wired up correctly.... I did a few visa conversions so whats the problem..... |
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| Author: | BriBFG [ January 20th, 2011, 9:42 am ] |
| Post subject: | Re: Visa Ignition |
thanks for getting back to me. the vehicle ran and sounded good stop the engine leave for a few days go back try and start it and won't start !! swap HT coil over replace resistor in "ECU" and replace burnt track engine starts and runs fine tried several times. stop it leave for a few days and it won't start again? not sure if the coils are being damaged by the ignition we presume it's wired right as the engine was running well. any sort of pointer as to what could be happening would be appreciated. |
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| Author: | Terry [ January 20th, 2011, 11:30 am ] |
| Post subject: | Re: Visa Ignition |
Are you using a standard 2CV coil? Reason I ask is that with the Instructions for my Luminition set-up was the warning that Lumie is "Not suitable for coil from 652 Visa". I dunno wot the difference is ......
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| Author: | Sean [ January 20th, 2011, 11:41 am ] |
| Post subject: | Re: Visa Ignition |
visa brown coil has a PR of less than 1 Ohm 2cv black has 3.5 ohm, a much higher resistance its to do with dwell and the fact that visa electronic coils are a fast recovery coil - they charge up quickly and are given the same dose of electrickery no matter what the rev range visa needs the brown coil if using the standard electronic unit fault could be the bell housing sensors? |
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| Author: | 2CViking [ January 20th, 2011, 11:45 am ] |
| Post subject: | Re: Visa Ignition |
Or running on a wrong computer. I think there are 3 models and they are not the same. |
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| Author: | lpgo [ January 20th, 2011, 1:21 pm ] |
| Post subject: | Re: Visa Ignition |
2CViking wrote: Or running on a wrong computer. I think there are 3 models and they are not the same. First thing to check out.... Measure the voltage at the the sensor, when there is no magnet (little nobble at the flywheel) near the sensor you should have about 6 volt when the magnet is at the sensor you should have around 3 volt, (this is out of my head, I will check it out this evening).... When you don't have this your sensor is gone.... Most problems are that the wires breaks just where they go into the senor.... Second thing to check out. Do you have a good ground... - . When you haven't a good ground it won't run either.. Check both ECU and sensors. At lather models they made sensors with 3 wires intsted of 2 the 3. wire is an extra ground wire..... Check your ground wires from the ecu, there a 2 groundpins going into one wire, Citroen did this very clumsy, so check this also. In Hynes is a good schematic from the wires, if you don't have it I will put it on here.... Good luck... |
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| Author: | lpgo [ January 20th, 2011, 1:27 pm ] |
| Post subject: | Re: Visa Ignition |
You can also check where the wires aro going into the ecu sanding the contacts of the ecu can help also.... |
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| Author: | ken [ January 20th, 2011, 1:36 pm ] |
| Post subject: | Re: Visa Ignition |
BriBFG, are you using Visa coils, or an alternative with even lower resistance? There shouldn't be any problem with using a different 'black box', as there are only 2 types, distinguished primarily by their advance curves but there's also the addition of an earth contact to the circuit board on the later type. It's also possible to use '3 wire' sensors with a '2 wire' loom and vice versa, by making up some simple adaptors. Have you checked that there's nothing still live on the circuit when the ignition is switched off? This is unlikely to happen with the original wiring in a Visa, but once things have been modified t fit in an A series car, accidents can happen. That's the only reason I can think of which could cause damage to occur when the vehicle is left standing. ken ( edit: Ipgo is typing faster than me this morning, but will post this anyway...  )
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| Author: | BriBFG [ January 21st, 2011, 12:48 am ] |
| Post subject: | Re: Visa Ignition |
thanks everybody for the quick replies ignition was stripped from the donor car at same time as engine so def right ignition yes we're using brown coil we are knowlegable with electrics and sensors does anybody have the detail's for checking/repairing the ECU's on the visa's |
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