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Starter issues (alarm?) #1650934
18/05/2021 18:02
18/05/2021 18:02
Joined: Nov 2020
Posts: 12
Tranbjerg Jylland
M
MartinGB Offline OP
Newbie
MartinGB  Offline OP
Newbie
M

Joined: Nov 2020
Posts: 12
Tranbjerg Jylland
Has anyone ever see a Coupe 16v Turbo that wont turn over when trying to start, however if you turn of the the headlights, it starts just fine. I suspect the original alarm system, is has been turned of as long as i've had the car, but looking at the diagram the starter wire goes through the controlbox for the alarm. So that must be it, seems to messure the voltage at wont allow starting with low voltage. Can it be disconnected og can i just bypass the starter wire.

Re: Starter issues (alarm?) [Re: MartinGB] #1650943
18/05/2021 23:00
18/05/2021 23:00
Joined: Dec 2005
Posts: 8,369
Lightwater, Surrey
DaveG Offline
Club Treasurer Member 311
DaveG  Offline
Club Treasurer Member 311
Je suis un Coupé

Joined: Dec 2005
Posts: 8,369
Lightwater, Surrey
Sounds like a classic case of a low battery voltage and/or bad connection at the battery and/or a bad earth...

1.With headlights on and a low battery, there is less current available to drive the starter motor, to the point where the solenoid on top of the starter motor might engage (click) but as soon as the motor tries to draw the high current needed, the voltage drops and the solenoid clicks back open. The headlights will also dim when trying to start.

Solution: charge or renew the battery

2. If either or both battery terminals feel warm after trying to start, this indicates a poor connection which increases resistance to current flow. But there can also be a poor connection without the terminals feeling warm.

Solution: clean battery posts and terminal connectors, ensure tight connections

3. A bad earth connection (eg: on the engine block) can also prevent the high starter motor current from flowing.

Solution: check and clean all earth connections on engine


1996 Portofino 20vt & 2000 Pearl White Plus
1985½ & 2016 2017 Fiat 124 Spider + XF Sportbrake
Re: Starter issues (alarm?) [Re: DaveG] #1650955
19/05/2021 10:52
19/05/2021 10:52
Joined: Nov 2020
Posts: 12
Tranbjerg Jylland
M
MartinGB Offline OP
Newbie
MartinGB  Offline OP
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M

Joined: Nov 2020
Posts: 12
Tranbjerg Jylland
New battery, fully charged. No power drain when trying to start, ground cable is in fine both for the chassis and the engine.

Re: Starter issues (alarm?) [Re: MartinGB] #1650968
19/05/2021 15:17
19/05/2021 15:17
Joined: Dec 2005
Posts: 8,369
Lightwater, Surrey
DaveG Offline
Club Treasurer Member 311
DaveG  Offline
Club Treasurer Member 311
Je suis un Coupé

Joined: Dec 2005
Posts: 8,369
Lightwater, Surrey
What alarm system do you have? Factory fit (non-UK cars) or importer/dealer fit (UK cars, usually either Scorpion 918U or Meta M99)?


1996 Portofino 20vt & 2000 Pearl White Plus
1985½ & 2016 2017 Fiat 124 Spider + XF Sportbrake
Re: Starter issues (alarm?) [Re: DaveG] #1650979
19/05/2021 20:53
19/05/2021 20:53
Joined: Nov 2020
Posts: 12
Tranbjerg Jylland
M
MartinGB Offline OP
Newbie
MartinGB  Offline OP
Newbie
M

Joined: Nov 2020
Posts: 12
Tranbjerg Jylland
Factory mount. 16vt 96 non UK.


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