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Author Topic: Engine Loom  (Read 32779 times)

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Steve B

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Re: Engine Loom
« Reply #30 on: 24 February 2015, 21:28:44 »
So the whole thing comes off like a giant loop chucked over/round the engine  :-\
No scuttle or bagpipes off then Al

Dont go and tell me that lot should take me 45mins..... ;D ;D ;D

Is the whole job done on the ramps  :-\
« Last Edit: 24 February 2015, 21:31:21 by BIGtime »
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05omegav6

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Re: Engine Loom
« Reply #31 on: 24 February 2015, 22:31:37 »
That's about the size of it... Ramps only needed for the underneath stuff... Plenum off easier than scuttle off.

Key point is marking the ecu coolant temp sensor plug as it is identical to the purge valve plug and one is 5v and tother is 12v so you can guess what happens if you get them wrong...

Not that I did that... Oh no... ::) :-X
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Marks DTM Calib

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Re: Engine Loom
« Reply #32 on: 25 February 2015, 08:11:31 »
Its for screening, does pretty much nowt on the firing of the coils.
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Marks DTM Calib

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Re: Engine Loom
« Reply #33 on: 25 February 2015, 08:45:20 »
Actually, scratch that, as its coil per plug, it must be the ground for the secondary side of the CPP
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Kevin Wood

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Re: Engine Loom
« Reply #34 on: 25 February 2015, 11:19:04 »
Quote from: Marks DTM Calib on 25 February 2015, 08:45:20
Actually, scratch that, as its coil per plug, it must be the ground for the secondary side of the CPP

Hmm. Some good potential for it to muller other signals in the loom if it comes adrift...
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Steve B

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Re: Engine Loom
« Reply #35 on: 25 February 2015, 21:11:21 »


Decided to Get the Meter out today And on the end i soldered a small spade end connector which fitted nice and tight into the coil pack lead..
I then After disconnecting the battery unplugged the ECU to enable me to get at the other end of the plug.



First i set out on the lead above..(the earth lead)Above pic is where it splits to go to pin 1 on both coil packs.
I pluged into pin 1 on the 246 coil pack and put the other end of the meter to earth...I then set about pulling around on the loom/solder joint/harness...never did the reading ever change from 0.4Ω... That looks good to me

Then i plugged into pins 3,4,5..The trigger ones..and the other end of the meter went into the ECU plug in pins 30,31,32..Every single one of those gave a reading of 0.5Ω.

Theres only one lead left and that is the 12v switched from the ignition(is it a straight 12v from ignition cannot see end of diagram Al)

Need to no if i can put 12v from batt directly to pin2 on the coil pack  :-\

https://dl.dropboxusercontent.com/u/70807181/Bad%20Running1.mp4  :'( :'(

https://dl.dropboxusercontent.com/u/70807181/bad%20running2.mp4  :'( :'(

306 304 302 301 Codes ..Soon have the full set   ;D ;D

« Last Edit: 25 February 2015, 21:26:20 by BIGtime »
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05omegav6

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Re: Engine Loom
« Reply #36 on: 25 February 2015, 21:32:23 »
Yup, straight from ignition... join should be in that bundle near the earth wiring :y ie similar join in a similar place :y
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Marks DTM Calib

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Re: Engine Loom
« Reply #37 on: 26 February 2015, 12:37:33 »
Surprised its straight from the ignition, I would expect it to come from one of the purple relays.
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Steve B

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Re: Engine Loom
« Reply #38 on: 26 February 2015, 13:16:04 »
https://dl.dropboxusercontent.com/u/70807181/Done.mp4

YES YES YES YES YES

Nobodys got a smile like the one on my face  ;D ;D ;D ;D
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Marks DTM Calib

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Re: Engine Loom
« Reply #39 on: 26 February 2015, 13:26:03 »
So it was the pos supply?
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Steve B

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Re: Engine Loom
« Reply #40 on: 26 February 2015, 15:04:55 »
Quote from: Marks DTM Calib on 26 February 2015, 13:26:03
So it was the pos supply?
I never rewired anything in the end... I Dragged this in the kitchen last night and started to peel back the tape from the 246 connector.. I never got very far at all when the penny dropped.. The answer to my problem as been looking at me all the time and i was just too blind.. :-[ :-[ :-[   This loom is not off my car..Its one i had to put on but never did.

Note to self... Read other peoples replies properly  ;D ;D ;D

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Steve B

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Re: Engine Loom
« Reply #41 on: 26 February 2015, 17:25:35 »
And a Great big thanks to Taxi Al For all my picking of his Brain  :y



This is now unpluged
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05omegav6

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Re: Engine Loom
« Reply #42 on: 26 February 2015, 18:27:54 »
Interesting... but well found :y 8)

On mine that had self disconnected, ie corroded through at the suppressor, suggesting a similar issue elswhere in the coil pack wiring as replacing it made no real odds... :-\
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05omegav6

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Re: Engine Loom
« Reply #43 on: 26 February 2015, 18:29:44 »
Quote from: Marks DTM Calib on 26 February 2015, 12:37:33
Surprised its straight from the ignition, I would expect it to come from one of the purple relays.
Nope, via X3 straight to the key :y

One purple relay controls fuel pump, tother injector power and not much else near as I can tell :-\
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Steve B

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Re: Engine Loom
« Reply #44 on: 26 February 2015, 21:23:29 »
Soon as i started stripping back the used loom i got hold of, I seen that radio suppressor wire coming out of the coil pack live feed, And i knew That was earthing out and robbing the coil pack.

Soon as i unplugged it and started the car up all it clunks and rattles vanished from the lifters..Tickover restored, The lot.. :y

I suppose i better get down VX and get another one... Anyone any idea how they are fixed to the back of the head...

I suppose you can earth it anywhere.  :-\ :-\

The answer was in reply #11 The penny should of dropped then really  :-[ :-[ ;D ;D
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