the vdo sender i ended up using was the 320.032. when i installed this the car run at just over half way for the test runs. while it was idling the temp shot up close to 3/4 and the fan didnt kick in. i had a manual switch which i flicked and the fan started and the temp come back down to between 1/2 and 3/4 then when i took it for a drive it dropped even more ....
now to get the fan control reprogrammed to a lowr temp (110 is jsut to high). im thinking 90ish.
being that I run the vs twin speed fan and dont have the second circuit at present (a/c), i might even wire up my switch to the a/c circuit and leave the ecu circuit as is (but lowered in temp).
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unfortunatly the cert man cant come back around before xmas so my plate will need to wait until the new year
at least it all works though
Q