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1997 s70 t5 no speedo / no abs / tracs

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Old Apr 17th, 2019, 10:07   #1
Lmason
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Default 1997 s70 t5 no speedo / no abs / tracs

anyone suggest the cause of speedo no longer working / abs and tracs light on. done the usual abs unit change / fix.
need to know more info how speedo works, which sensors ?
tia
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Old Apr 17th, 2019, 12:11   #2
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Ideally you need to read the codes to be sure, but the speedo is driven from the front left ABS sensor, so I'd be looking at that first.
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Old Apr 17th, 2019, 16:39   #3
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I would still suspect the ABS module, as Luxobarge says, speedo signal is from n/s/f wheel sensor.
When you say you've done the usual abs unit change, have you had the joints resoldered or just replaced the unit?
Not sure if your model is OBD11 compliant, may need to make a flash code reader to check for any codes.
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Old Apr 22nd, 2019, 22:03   #4
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Default abs speedo

hi guys, thanks for replies. had two different abs units fitted one professionally reconditioned another from a working car and the original re soldered. could do with the plug which goes into the abs unit as its bit broken. but don't know where ill get one
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Old Apr 23rd, 2019, 11:58   #5
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No idea where you'll get the plug from, it's part of the wiring loom so will need cutting off and all the cables rejoined...not impossible though if you can find a scrap car with the same plug and connections...
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