Dan...you say you changed Coolant Temp Sensor Too...did you mean also or temp sensor II? There are 2 sensors at the thermostat housing; 1 sends temperature info to th e ECU...the other to the gauge. There is a 3rd sensor on the coolant tank which is a coolant level indicator. It will light when coolant is low but will also send a function check signal to the gauge by flashing the light for a few seconds. > On Aug 8, 2018, at 4:52 PM, Dan N <dn92610@GMAIL.COM> wrote: > > hi all, > > please help with this issue if you could... > > I bought last year a '91 Syncro tintop, WBX 2.1 engine. When I got it the > temp. needle sits on the top of the white zone at running temp., rad. fan > working. I get it home, give it a good tune up and change the coolant temp > sensor too. Nope... the temp. needle is barely moving, now sits on the > bottom of the white zone. So I did this: > > - swap a good instrument cluster from a running van > - test the voltage at the sensor connector --> 10.5V > - ground the sensor connector --> the needle went to the top, red light > blinking > > *note: when I turn the key on the red light blinks for a few seconds and > stop (which is normal as in my other van)* > > put the original instrument cluster back --> no change > > now I am lost... the blue ribbon is in excellent condition, all the little > nuts back there are tight. > > errr... what am I missing here?... please help... thanks > > dan |
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