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  #181  
Old 09-10-2013, 03:14 PM
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Wiring

Hello all

A few electrical questions ,

The oil pressure gauge is always showing max pressure, but by disconnecting the sensor wire it drops back ,
Checked the resistance of the sensor 250 ohms at rest and decreases by applying compressed air to 5 ohms, so I would think the sensor is ok , got a good feed and earth at the gauge ,any ideas ?.

I do not have a trigger at the fuel pump relay (green /white wire)
does it switch pos or neg ?
I think this comes direct from the ECU , is the fuel pump relay feed as soon as the ign is on or is only when the ECU sees a crank signal ?

Also have a good feed to the injectors but when cranking the is no neg pulse .

Any help would be greatly received.

thanks

Kevin
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  #182  
Old 09-12-2013, 04:41 PM
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Ecu

Well I think the ecu has gone down ,
checked with wiring diagram and have got all the necessary feeds and earths
But I have no trigger from the ecu to fuel pump relay , no switched earth for the injectors when cranking , no 5v feed to tps and no feed to the ISC.
Ign coil is being switched when cranked .


I have a ecu number 16189069 , I have found a used ecu with a number of 16234539 which has come from a v6 Mer-cruiser , can I get this reflashed to work ?

Or have I over looked something ?

thanks

Kevin
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  #183  
Old 09-12-2013, 04:57 PM
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mikeg205 mikeg205 is offline
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Should be delco mefi 2 I believe.

Fuel pump should prime when key switched to on.
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  #184  
Old 09-12-2013, 05:52 PM
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Hi Mike

I think mine (16189069) is a MEFI-1 as per www.obd2allinone.com/sc/toplevel.asp?cat=32

I have no feed to the fuel pump relay from the ECU , hence why I think the ECU has failed.

Also have found another ECU (16159919) will this work?

thanks
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  #185  
Old 09-12-2013, 06:31 PM
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mikeg205 mikeg205 is offline
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Mefi 1 should be gray.. Iirc ... Not sure of part numbers...
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  #186  
Old 09-13-2013, 06:29 AM
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Hi Mike

Which bit should be grey ?

thanks

Kevin
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  #187  
Old 09-13-2013, 11:18 AM
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mikeg205 mikeg205 is offline
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I looked on your site.. The gray color information came from my clymer manual. But I see on your site they are both MEFI 1 and 2 are black.. I would go with the web site info.
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  #188  
Old 09-18-2013, 11:15 AM
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Fuel Pump

Hello all

Still working through the loom issues, now run the fuel pump and it sounds a bit noisy and erratic in its operation , was there a well priced supplier that you can recommend.

thanks


Kevin
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  #189  
Old 09-18-2013, 11:47 AM
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mikeg205 mikeg205 is offline
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rick auto -

rock auto $84

http://www.rockauto.com/catalog/rafr...6-P60987-88113 - let me know if they can't ship to the UK.

If they can't I can help you out.

mike
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  #190  
Old 09-18-2013, 11:53 AM
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Quote:
Originally Posted by mikeg205 View Post
rick auto -

rock auto $84

http://www.rockauto.com/catalog/rafr...6-P60987-88113 - let me know if they can't ship to the UK.

If they can't I can help you out.

mike
Mike, that link doesn't work.
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