speedo cable earth

[Adams_16v]

after the cars warmed up and i rev it over 4k the idle stops at about 1500rpm. Been told its the speedo cable earth bu iv had a look and cant see owt. where is it exactly? the pic was taken when i had all the heater controls out etc.

Cheers

http://erc.qmuc.ac.uk/cliosport/gallery/full/1084564086__Image117

 

[Daz]

Mine does the same..

Be glad when I can sort it.. heh.

 

[Adams_16v]

im pretty sure its speedo cable, although it only started happening when i changed the map sensor and ecu!! which is wierd!

but at the moment with my idling problem its a help more than anything!

but the cars being setup properly nxt friday so want it normal for then so its ok on the rollers!

 

[Daz]

Well, I might change my speedo cable.. and see what happens.

 

[steve a]

Same with mine. LOL

 

[16 valver]

Youll need to reach under the steeringwheel for the connector of the speedo cable. Just take of the panel where the bonnet release is and youll see the connector running from your speedo cable, its pretty simple actually.

 

[Adams_16v]

ok cheers

 

[Snufty]

Mine does the same thing its annoying and sometimes it stalls itself too

 

[sleepy]

Adams_16v, where are you getting your car setup. What do you mean by this

 

[Adams_16v]

cams timed, fuelling setup etc. its had cams in but never been setup properly. a locl motorsport bloke is doing it on the RR.

 

[Adams_16v]

where ths fek is this earth exactly? iv had a look but still cant see much. is it suppose to be attatched to the actual speedo cable itself?

cheers

 

[JAY172]

been a long time since i fitted a valver speedo cable but not sure what you mean about this earth. i thought they just had the speed sensor connector just behind the instrument panel.

 

[BenR]

I think its the one you were talking about before. Which people use when installing stereos.

 

[Adams_16v]

andy gdi mentioned the speedo cable earth. iv checked a spare speedo cable i got and there is just the plug behind the dash nothing else

 

[JAY172]

Quote: Originally posted by BenR on 20 May 2004


I think its the one you were talking about before. Which people use when installing stereos.

oh right i can remember mentioning that in another post now. didnt click at first as i forgot it was the wire for the speedo sensor. had a few of these at work a long time ago. ive had that problem as the wire runs behind the stereo area and people have fitted non gen stereos and tapped into this wire for an earth. this affects the ecu signal and causes the high tickover. the ones ive had before idle ok when you first start them up but once you boot them the idle sticks at around 2000rpm until you switch it off and restart it.

 

[Andy GDI]

its in the stereo loom, beind the radio..... right behind it...

colour = grey/black

needs to be earthed...

after that problem solved......



Andy

GDI

 

[JAY172]

been a long time since ive come across that one,years in fact,but it had me stumped for a while the first one i did.

 

[Adams_16v]

just took the car to the rollers to be setup, first thing he said was the speedo earth would be most likely causing the idling problems!

cheers

 

[Adams_16v]

is the earth part of the actual plug that goes into the back of the stereo?

my stereos have never worked right, always cutting out or just not powering up! me thinks this is all related!

i changed the speedo cable again today. seems to idle much better, and the revs drop much nicer, but its still sticking after a thrash at 1600rpm!

 

[JAY172]

pm me the year of your car and ill have a look on the wiring diagram and give you a suggestion what to do.

 

[Adams_16v]

jay my cars 1994 matey, phase 1