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Gauge temp sender https://forums.tipec.net/viewtopic.php?f=25&t=24812 |
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Author: | Waylander [ Fri Jul 23, 2021 7:06 pm ] |
Post subject: | Re: Gauge temp sender |
I can have a look at mine for you tomorrow And the TD4 sender is to replace the blue sensor at the front with the square connector I have spoken to VDO about sourcing the gauge sender with the two spade terminals, they tell me it’s a dealer supplied part only |
Author: | infrasilver [ Sun Jul 25, 2021 4:40 pm ] |
Post subject: | Re: Gauge temp sender |
I just fitted the wires one way which didn't work so swapped them over and all is good now and I have a working gauge again. I did think the TD4 one did look like the ECU sender which is good to know if that ever fails. I seem to have got the last temp sender in the UK, and everywhere else I looked showed on various websites but didn't actually have any stock. |
Author: | Waylander [ Mon Jan 17, 2022 10:29 pm ] |
Post subject: | Re: Gauge temp sender |
All the 944 manuals and diagrams are on www.pdlibrary.co.uk |
Author: | infrasilver [ Wed Jan 19, 2022 3:35 pm ] |
Post subject: | Re: Gauge temp sender |
I did yes, I have cleaned them up in the past and although they looked mint I gave them another clean up with a little emery and IPA. OPC are ordering me a new sender today so I guess I'll find out if it is that or not in the next few days? |
Author: | Waylander [ Wed Jan 19, 2022 3:40 pm ] |
Post subject: | Re: Gauge temp sender |
looking at the image of you with the meter in the sensor, i doubt very much its between the pins, it will be the resistance between each pin and ground, the sender should have the VDO number on it see if you can find a tech sheet for it, if not email the tech dept at VDOshop, they are very helpful, they should be able to tell you which is the light switch and the guage when it comes to diagrams, try this |
Author: | infrasilver [ Sun Jan 23, 2022 1:46 pm ] |
Post subject: | Re: Gauge temp sender |
Sorry Waylander, the image was probably misleading and as you say should go from the post to the sender body, the picture is of the fake sender and the surprising thing is there is continuity between the posts when there shouldn't be. The genuine sender had continuity between the body and only one post, the other had nothing. And after months of messing with this I have a resolution to the issue, I collected the new sender from OPC yesterday, they gave it me in the hope I return the faulty one when I'm ready, if indeed is was faulty, and I tested it in a cup of boiling water and immediately got a reading on the gauge, I've now fitted it and filled it back up with coolant, ran it up to temp and the gauge works again. I discounted the previous new sender because it was new and why I tested everything else what seemed endlessly before pointing the finger at the sender again. For future reference I also worked out that the larger post on the sender is for the gauge and the smaller one is for the red overheating light. |
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