Erratic Speedo And Fuel Gauge

[phil332]

When driving in heavy rain,the speedo reading bobs up and down then stops at zero.The fuel gauge reading does the same but does'nt totally die. The engine warning light comes on then goes off after a couple of days/ engine starts. If i switch the lights on the readings return to normal.

 

The problem eventually goes away when the weather is dry/warm for a couple of days. I think the cause of this problem is either water getting on the electrics/ wiring under the grill at the bottom of the windscreen or as read on another thread(gazza 9743) ,the main engine earth strap

 

I plan to take the wiper grill off and have a look and clean out. I think the grill comes off by undoing the wiper blade nuts only. I will check the main engine earth strap and any other relevant earth connections if someone will be kind enough to tell me where they are.

 

I recently heavily sprayed the front of the car with a hosepipe and the problem showed again. The engine compartment appears dry, the only connection that could get wet is the one at the rear of the front drivers side headlamp which looks like it is in an air intake channel from the front grill.I have sprayed most connections i can see with WD40 but with no result.

 

Any help and advice will be welcome,

 

cheers,

 

Phil.

(2002, galaxy, ghia, 2.3 petrol, manual.)

[Guest spanner137]

got same problem with sharan tdi, when it rains the oil light flashes till engine compartment dries out.

 

help us please :( :( :(

[phil332]

Spanner137

 

search under Dash problems,............ may be identical to your problem.

 

 

 

 

Is the the MAIN ENGINE EARTH STRAP the same on the galaxy, Does anybody know where it is or how to find it.

 

 

 

cheers

 

phil

[Marky]

Phil

 

Unless your Gal is an import surely it is still under warranty and some

so called tech at a dealer should be sorting this out for you ???

 

Mark

[phil332]

Mark,

 

 

It was in under warranty about 7 months ago, but the problem was/is intermittant and sorted itself out the day before it went in. I was told that any fault would show up on the diagnostic test that they do, but it did'nt. It's been ok since, but the heavy rain in august has kicked it all off again.

 

Yes, it is out of warranty, unfortunately.

 

 

Phil

[phil332]

Spanner 137,

 

Can you tell me the location of the three earth connections mentioned in you post on Aug 15.

 

 

I think the main engine earth strap runs in between the compartment behind the rear of the drivers side light and the bottom of the air filter housing. I can't see or feel any connections though. (black plastic coated flat lead approx 1/4 inch wide)

 

But then again i might be totally barking up the wrong tree. :lol:

 

As people keep telling me ' It's your own fault, you should'nt have bought a

F ix Or R epair D aily!'............................................................. :o

 

 

Phil

[Guest spanner137]

sorry i havent got back but been working hard, the 3 earth connections are on the bulkhead steelwork behind the instument cluster

[phil332]

Thanks to everyone who gave their help and advice.

 

After trying everything and spraying the entire car with WD40 I decided to take it to a ford workshop. :blink:

 

They spoke to Ford Technical then VW and tracked the problem down to a corroded connection at the back of the instrument pod.This was caused apparently by water getting on the connector (wires running from the wiring loom to the pod) I got the impression that it was a problem and that VW knew about it and Ford didn't.(VW connector part)

 

Ford cleaned up the connection and everythings been ok since. :D

 

Anybody with instrument gauge or warning light problems it may pay you to check the rear of the pod (streering wheel off, Pod out). See other threads on how to do it.

 

Regards,

 

Phil.

[dvds4yeh]

Thanks to everyone who gave their help and advice.

 

After trying everything and spraying the entire car with WD40 I decided to take it to a ford workshop. :lol:

 

They spoke to Ford Technical then VW and tracked the problem down to a corroded connection at the back of the instrument pod.This was caused apparently by water getting on the connector (wires running from the wiring loom to the pod) I got the impression that it was a problem and that VW knew about it and Ford didn't.(VW connector part)

 

Ford cleaned up the connection and everythings been ok since. :D

 

Anybody with instrument gauge or warning light problems it may pay you to check the rear of the pod (streering wheel off, Pod out). See other threads on how to do it.

 

Regards,

 

Phil.

 

 

 

 

i have a vw sharan 1995 speedo gos from 0 to 140 on its own well all of then do dont know y but only duz it when car is runnig

[dvds4yeh]

Thanks to everyone who gave their help and advice.

 

After trying everything and spraying the entire car with WD40 I decided to take it to a ford workshop. :lol:

 

They spoke to Ford Technical then VW and tracked the problem down to a corroded connection at the back of the instrument pod.This was caused apparently by water getting on the connector (wires running from the wiring loom to the pod) I got the impression that it was a problem and that VW knew about it and Ford didn't.(VW connector part)

 

Ford cleaned up the connection and everythings been ok since. :D

 

Anybody with instrument gauge or warning light problems it may pay you to check the rear of the pod (streering wheel off, Pod out). See other threads on how to do it.

 

Regards,

 

Phil.

 

 

 

 

i have a vw sharan 1995 speedo gos from 0 to 140 on its own well all of then do dont know y but only duz it when car is runnig

took out the pod i can here a clicking sound any i dears thanks Edited October 25, 2009 by dvds4yeh

[farny1206]

Thanks to everyone who gave their help and advice.

 

After trying everything and spraying the entire car with WD40 I decided to take it to a ford workshop. http://www.fordgalaxy.org.uk/ford/public/style_emoticons/default/blink.gif

 

They spoke to Ford Technical then VW and tracked the problem down to a corroded connection at the back of the instrument pod.This was caused apparently by water getting on the connector (wires running from the wiring loom to the pod) I got the impression that it was a problem and that VW knew about it and Ford didn't.(VW connector part)

 

Ford cleaned up the connection and everythings been ok since. http://www.fordgalaxy.org.uk/ford/public/style_emoticons/default/biggrin.gif

 

Anybody with instrument gauge or warning light problems it may pay you to check the rear of the pod (streering wheel off, Pod out). See other threads on how to do it.

 

Regards,

 

Phil.

 

i was just wondering which this conection was as i am having the same problem was it the blue or green conector at the back of the cluster or was it further down somewhere thanks any advice would be great.