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Author C20XE Starter motor wiring!!!
ed
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Registered: 10th Sep 03
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8th Jul 05 at 19:07   View User's Profile U2U Member Reply With Quote
Ok, I just hot wired my car so there is no issue with the starter motor. I just can't a) get the ECU to turn on, b) get the fuel pump to turn on and c) get the starter motor to do anything when I turn the key.

The car was an L reg 1.2 8v Merit and the engine came from a G reg Cavalier GSi 2000.

I am totally lost here and don't have a clue how to get it running

[Edited on 08-07-2005 by ed]
Mistamist
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Registered: 16th Jul 03
Location: Gillingham, Kent
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8th Jul 05 at 19:10   View User's Profile U2U Member Reply With Quote
have you connected the black wire from the corsa loom near the ECU to the connection near the Coil?
ed
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Registered: 10th Sep 03
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8th Jul 05 at 19:12   View User's Profile U2U Member Reply With Quote
The one that pops the relay? I haven't connected that to anything yet because I can't find anything to plug/wire it onto.....
Mistamist
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Registered: 16th Jul 03
Location: Gillingham, Kent
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8th Jul 05 at 19:19   View User's Profile U2U Member Reply With Quote
its the ignition live wire, at the end of the loom after the injectors there is 3 connecttors, one to the hall sensor, one to the coil pack amplifier, and the other single black wire with a round connector on the end, cut this connecttor off and solder a wire to it, run this through the car and solder the the black wire on the corsa loom that is near the ecu.
ed
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Registered: 10th Sep 03
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8th Jul 05 at 19:31   View User's Profile U2U Member Reply With Quote
Ah ok.... I know the one you mean, it's my mystery plug Will go check it out in a minute... Cheers lad.
ed
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Registered: 10th Sep 03
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8th Jul 05 at 20:11   View User's Profile U2U Member Reply With Quote
Ok, checked it and I get the clicking noise from the solinoid I think, but the stater motor doesn't turn the engine over... How odd
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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8th Jul 05 at 20:12   View User's Profile U2U Member Reply With Quote
main battery to starter connected or earth dodgy or summit?
ed
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Registered: 10th Sep 03
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8th Jul 05 at 20:14   View User's Profile U2U Member Reply With Quote
When I ran a wire from the battery to the signal wire on the starter motor it worked fine... Will have a look on Sunday
Stoneyginger
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Registered: 25th Jan 01
Location: Stonehaven, Aberdeenshire
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9th Jul 05 at 00:26   View Garage View User's Profile U2U Member Reply With Quote
Check all your earths are all present and correct
Mistamist
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Registered: 16th Jul 03
Location: Gillingham, Kent
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9th Jul 05 at 00:40   View User's Profile U2U Member Reply With Quote
the starter is earthed through the block, make sure the earth going down from battery/bulkhead is connected to the block itself and, mine was connetted to the black plastic coolant pipe but on the wrong side so wasnt doing jack. just moved it co it was touching the block and all was well
lee mitchell
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Registered: 26th Jan 01
Location: kent...drive's: eveyones conversion cars hard lol
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9th Jul 05 at 02:51   View User's Profile U2U Member Reply With Quote
earth it to the gearbox best place
ed
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Registered: 10th Sep 03
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9th Jul 05 at 07:41   View User's Profile U2U Member Reply With Quote
Ok, at eh moment it's somehwere else that was a bit esier to reach....
ed
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Registered: 10th Sep 03
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9th Jul 05 at 19:22   View User's Profile U2U Member Reply With Quote
Ok, I got the starter motor to work, but for some reason the fuel pump wont start up... My multi meter says there are no volts getting to the pump and there are about 0.8 volts on the small red and blue wire at the relay and 12 volts on the big red and blue wire.... Anyone else had similar probs?
Stoneyginger
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Registered: 25th Jan 01
Location: Stonehaven, Aberdeenshire
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10th Jul 05 at 00:10   View Garage View User's Profile U2U Member Reply With Quote
you must have the black wire connected wrong it should get a spark from that
Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
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10th Jul 05 at 00:41   View User's Profile U2U Member Reply With Quote
are the relays 6 pin jobbies on these??

if so edwardo

terminal 87b from the relay is the signal wire to the pump (red and blue)

terminal 87 is a red and blue input wire from the ecu..

30 is big red perminant battery live

86 **i think** is a switched live from ignition switch, smaller red wire

85 is **i think** the ground wire, brown and white

the last one ive got down here is 85b (which doesn't exist according to DIN standards ) but its a brown and blue wire, looks like its an output/ground to the ecu..

may help, maynot
Mattb
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Registered: 2nd Feb 03
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10th Jul 05 at 00:47   View User's Profile U2U Member Reply With Quote
also try taking the relay out and bridging terminals 30 and 87b, fuel pump should run constantly
ed
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10th Jul 05 at 09:49   View User's Profile U2U Member Reply With Quote
Nope still wont work.......
Mattb
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10th Jul 05 at 10:08   View User's Profile U2U Member Reply With Quote
try running a length of wire from terminal 87b to the fuel pump then, and bridge the wires
ed
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10th Jul 05 at 10:10   View User's Profile U2U Member Reply With Quote
I've run out of wire.........
Mattb
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10th Jul 05 at 10:11   View User's Profile U2U Member Reply With Quote
you have an old engine loom that you dont need
ed
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Registered: 10th Sep 03
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10th Jul 05 at 10:15   View User's Profile U2U Member Reply With Quote
I also have about 7 miles of speaker wire that I could use... Hmmm, I'll give it a go after breakfast. I can't be arsed with it anymore. And it's leaking water again Need to do up one of the jubilee clips tighter......
Mattb
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Registered: 2nd Feb 03
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10th Jul 05 at 10:19   View User's Profile U2U Member Reply With Quote
at least your findin these things aout before you drive it
ed
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Registered: 10th Sep 03
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10th Jul 05 at 10:21   View User's Profile U2U Member Reply With Quote
I don't like my car anymore... I'm going to go buy a.................... (new) Tigra!

 
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