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XG ute owners a favour please. 

 

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 Post subject: XG ute owners a favour please.
Posted: Sat Oct 12, 2013 5:21 pm 
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Age: 49

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Joined: 22nd Jul 2012

Ride: XB XF EA TERRITORY

Location: Brisbane
QLD, Australia

Xg not starting why does aircon cluch engage at ignition only?

Can some one with an ZG ute 94 standard computer do a quick check for me please.
turn off aircon at switch then turn on ignition only then check if aircon clutch is engaged.. Thanks
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 Post subject: Re: XG ute owners a favour please.
Posted: Sat Oct 12, 2013 5:32 pm 
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Ride: 93EB Fairmont / BA Falcon XR6T

Location: Western Sydney
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Im sure my EB does the same thing at ignition on.

 

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93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU.
2004 BA MKI XR6T in Lightning Strike paint / K&N / XR8 bonnet / BF lights and a few tweaks.

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 Post subject: Re: XG ute owners a favour please.
Posted: Sat Oct 12, 2013 5:43 pm 
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Age: 49

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Joined: 22nd Jul 2012

Ride: XB XF EA TERRITORY

Location: Brisbane
QLD, Australia

I am trying to eliminate this as a symptom of my starting issues , it doesn't make sense that the clutch should engage at ignition on, something is telling it to do it and it's not me..
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 Post subject: Re: XG ute owners a favour please.
Posted: Sat Oct 12, 2013 11:53 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

all eb,ed xg with working a/c do it, its kind of a circuit self test...
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 Post subject: Re: XG ute owners a favour please.
Posted: Sun Oct 13, 2013 4:01 pm 
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Age: 49

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Ride: XB XF EA TERRITORY

Location: Brisbane
QLD, Australia

ok thanks Troyman, I hadn't seen it before, but should it stay on as it's cranking or disengage, if it seems like extra drain on starting system, dont want to harp on about it but maybe its failed the circuit testing and is supposed to point me to the problem.
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 Post subject: Re: XG ute owners a favour please.
Posted: Sun Oct 13, 2013 4:07 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

It seems to stay on untill the ecu gets a pip/spark signal from the dizzy.. so it would be on on the first few rotations of the engine. . It shouldn't cause any extra strain on starting system..
I sometimes start my car with fan and aircon on and it dont cause starting issues.
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 Post subject: Re: XG ute owners a favour please.
Posted: Mon Oct 14, 2013 11:08 pm 
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Age: 49

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Joined: 22nd Jul 2012

Ride: XB XF EA TERRITORY

Location: Brisbane
QLD, Australia

I haven't had a chance to do all basic checks, but from your answer I went straight to the PIP wire on the distributor module today ( second from bottom) to check for pulse at cranking no pulse, and aircon clutch stayed engaged while cranking... also no spark from coil to double check..

Then I used an old working distributor, put the module plug in, ignition on, earthed the dizzy and spun the old dizzy by hand and I got pulse and the clutch disengaged.. so either module or hall sensor problem will swap dizzy tomorrow. to see if theory correct..
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 Post subject: Re: XG ute owners a favour please.
Posted: Mon Oct 14, 2013 11:17 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

the tfi module on the dizzy is a common thing to fail..
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