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Author Such a thing as..
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 09:40   View Garage View User's Profile U2U Member Reply With Quote
Too much current so the car won't start? Reason i ask is this, been having problems for a short while: http://www.corsasport.co.uk/board/viewthread.php?tid=570550

Tried everything.

Stick a meter across it when its running and it shows 14+volts, when its off it still shows 12+. Try to start the car and it does nothing, doesn't even try to crank.

Ideas anybody cos im stumped.
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:42   View User's Profile U2U Member Reply With Quote
what earths have you goty jakey?

i had similar problems with my let nova a few weeks back.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 09:44   View Garage View User's Profile U2U Member Reply With Quote
From battery to inlet/injectors
From battery to gearbox
External fuel pump
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:45   View User's Profile U2U Member Reply With Quote
what are the dash lights doing as you go to crank it?
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 09:45   View Garage View User's Profile U2U Member Reply With Quote
Dimming to basically off.
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:46   View User's Profile U2U Member Reply With Quote
both earths on either end the fuel rail connected?

make one going from the gearbox to the chassis leg mate.

the battery can act as a negative, and not an earth... if that makes sense
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:47   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Jakey
Dimming to basically off.


earth fault, if you got full power in battery mate
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 09:48   View Garage View User's Profile U2U Member Reply With Quote
Yes actually, left hand side to the alternator bracket, right hand side to the battery.
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:51   View User's Profile U2U Member Reply With Quote
there should be 2 on the left hand side mate.

one going to the alt bracket and one from the loom near injectors, theres one or 2 on the other side aswel
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:51   View User's Profile U2U Member Reply With Quote
Mine was doing exactly the same mate, the battery was acting as a negative rather than an earth. chuck one from gearbox to chassis leg. should start
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 09:54   View Garage View User's Profile U2U Member Reply With Quote
Off top of your head, where do i need the earths?

gearbox - chassis leg
..
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 09:56   View User's Profile U2U Member Reply With Quote
mine has/had

gearbox to chassis leg
alt bracket to left side fuel rail
2 either side of fuel rail
one from gbox going to the block

then battery to the chassis(mines in boot)
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 10:00   View Garage View User's Profile U2U Member Reply With Quote
So i only need one from the battery? To the chassis.
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 10:02   View User's Profile U2U Member Reply With Quote
yeh looks that way
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 10:12   View Garage View User's Profile U2U Member Reply With Quote
I've got them all apart from gearbox to block
Archie
Organiser: Scotland
Premium Member

Registered: 18th Dec 07
Location: South Ayrshire
User status: Offline
16th Sep 10 at 10:16   View User's Profile U2U Member Reply With Quote
Wont do any harm to stick an extra one on.
Make sure all the existing ones are clean and going to clean faces.
fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
16th Sep 10 at 10:17   View User's Profile U2U Member Reply With Quote
and there all tight? no dodgy connectors etc?

is the live solenoid feed connected? thin red/black to top of starter motor
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 10:20   View Garage View User's Profile U2U Member Reply With Quote
All tight, new connections. Solenoids fine, can hear it popping out.
dhdev
Member
Registered: 22nd Dec 05
Location: Midlands
User status: Offline
16th Sep 10 at 10:59   View User's Profile U2U Member Reply With Quote
On a car the earth is the negative terminal of the battery.
Jakey
Premium Member

Registered: 4th Jun 07
Location: Sandbach
User status: Offline
16th Sep 10 at 12:00   View Garage View User's Profile U2U Member Reply With Quote
Where on the block do you earth the battery too?
dhdev
Member
Registered: 22nd Dec 05
Location: Midlands
User status: Offline
16th Sep 10 at 12:09   View User's Profile U2U Member Reply With Quote
Usually via one of the gearbox to engine mounting bolts IIRC, but as long as it is a good clean connection, anywhere is fine.

 
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