Help electrical gremlin

Submitted: Thursday, May 19, 2011 at 11:01

ThreadID: 86402 Views:2441 Replies:5 FollowUps:4

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GoneTroppo Member (FNQ)

Need some help trouble shooting

I have a 1996 Fiat/New Holland Tractor (Iveco 4l Diesel) which won't turn over on the key. (It is 4wd so this question isn't really off topic)

It just clicks when the key is turned to "start"
Must be a bad earth I though, been caught like that before. So I have checked and cleaned all the battery connections and earth.

It turns over just fine if I short out the terminals on the starter motor but not on the key.

Any idea on where the problem is, what should I check next? The only auto elec in the area can't look at it for a week.

There are no electronics on this strictly old school mechanical stuff only.

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Reply By: Member - Howard (ACT) - Thursday, May 19, 2011 at 11:06

Thursday, May 19, 2011 at 11:06

sounds like the solinoid on the starter motor to me. take the solinoid off the starter and clean the contacts
might help
cheers
Howard

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AnswerID: 454818

Reply By: member - mazcan - Thursday, May 19, 2011 at 11:19

Thursday, May 19, 2011 at 11:19

hi gone troppo
yes sounds like starter motor clean as advised and make sure that all the wires on it and all contact posts nuts are clean an tight also check look for chaffed wires in that part of the system
do the lights work brightly could be the battery
have you checked battery water
is the alternator and /or generator charging
hope this will help as
you have already gone troppo--- lol
(your statement not mine)
cheers barry

AnswerID: 454819

Follow Up By: member - mazcan - Thursday, May 19, 2011 at 11:24

Thursday, May 19, 2011 at 11:24

hi
in addition
also have a look at the key switch and wiring could be a loose terminal /wire there did it just come on suddenly or has it been hit and miss for a while
if so may even be the key switch failure and or selenoid cheers
barry

FollowupID: 727699

Follow Up By: GoneTroppo Member (FNQ) - Thursday, May 19, 2011 at 11:55

Thursday, May 19, 2011 at 11:55

Good thought Barry about the key switch I'll have look

It's been as reliable as anything till now. Funny thing was it had been sitting for about two weeks, then this morning I went to use it, checked the oil then started it normally, moved it a few feet so I could open the bonnet to check coolant.

Then went to restart ....no go as described.

Cheers

Chris

FollowupID: 727702

Reply By: Member - Bruce C (NSW) - Thursday, May 19, 2011 at 12:17

Thursday, May 19, 2011 at 12:17

Hi Gone Tropo,
If you have started it by shorting the contacts on the solenoid at the starter then the problem is not there. try looking at the wiring or key switch.

Try shorting the contacts on the back of the key starter. if it is not faulty wires then probably dirty or burnt out contacts in the key unit.

Cheers, Bruce.

At home and at ease on a track that I know not and
restless and lost on a track that I know. HL.

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AnswerID: 454825

Reply By: Mr Pointyhead - Thursday, May 19, 2011 at 12:44

Thursday, May 19, 2011 at 12:44

I can't help with a answer but I can give u a bad joke to lighten your day...

F ... Fix
I ... It
A ... Again
T ... Tony

:)

AnswerID: 454827

Follow Up By: GoneTroppo Member (FNQ) - Thursday, May 19, 2011 at 13:09

Thursday, May 19, 2011 at 13:09

Ha Ha Ha I like it.!!

FollowupID: 727706

Reply By: GoneTroppo Member (FNQ) - Thursday, May 19, 2011 at 13:08

Thursday, May 19, 2011 at 13:08

Thanks everyone for the advice.

It ended up being dirty contacts at the back of the key switch, as normal it was the last thing I looked at cleaned etc.

Ah well at least all the other contacts got a bit of a service, think I'll call it preventative maintainence.

At least everything on these things is easy to get at and to pull apart.

Starts like a new one now.

I'm off to do some slashing now

Cheers

Chris

AnswerID: 454829