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Author Topic: Big red light  (Read 6000 times)

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TheBoy

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Big red light
« on: 23 February 2016, 18:22:02 »
Handbrake/Fluid level flickering, though mostly on.

Topped up brake fluid, no different. Unplugged sensor, no different. Thus guessing its the handbrake switch which looks to be under handbrake lever.

Is this accessible without removing centre console?
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Entwood

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Re: Big red light
« Reply #1 on: 23 February 2016, 18:23:39 »
Quote from: TheBoy on 23 February 2016, 18:22:02
Handbrake/Fluid level flickering, though mostly on.

Topped up brake fluid, no different. Unplugged sensor, no different. Thus guessing its the handbrake switch which looks to be under handbrake lever.

Is this accessible without removing centre console?

Battlebus or a "proper" car ?  ??  ;) ;)
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TheBoy

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Re: Big red light
« Reply #2 on: 23 February 2016, 18:40:06 »
Quote from: Entwood on 23 February 2016, 18:23:39
Quote from: TheBoy on 23 February 2016, 18:22:02
Handbrake/Fluid level flickering, though mostly on.

Topped up brake fluid, no different. Unplugged sensor, no different. Thus guessing its the handbrake switch which looks to be under handbrake lever.

Is this accessible without removing centre console?

Battlebus or a "proper" car ?  ??  ;) ;)
/Sarcky mode on
We're in the Omega Help section :P
/Sarcky mode off
;D

Its the 1998 MV6 Mr Entwood :)
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TheBoy

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Re: Big red light
« Reply #3 on: 23 February 2016, 18:40:29 »
Which clearly counts as Proper car :)
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RobG

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Re: Big red light
« Reply #4 on: 23 February 2016, 19:12:55 »
Reply #4 shows you the culprit. Other replies guide you to remove
http://www.omegaowners.com/forum/index.php?topic=115555.0
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Re: Big red light
« Reply #5 on: 23 February 2016, 20:16:37 »
Me thinks I have a hand brake off of an elite (think they are all the same :-\) in the parts shed :y
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05omegav6

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Re: Big red light
« Reply #6 on: 23 February 2016, 20:22:07 »
If the box thing on the substandard Piffle car is removeable, then access should be ok...

Console trim isa ten minute job on the proper cars ;D
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TheBoy

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Re: Big red light
« Reply #7 on: 24 February 2016, 07:52:26 »
Quote from: Harris K Telemacher on 23 February 2016, 20:22:07
If the box thing on the substandard Piffle car is removeable, then access should be ok...

Console trim isa ten minute job on the proper cars ;D
I have some wiring attached the console making removal more time consuming
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TheBoy

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Re: Big red light
« Reply #8 on: 24 February 2016, 07:54:37 »
Quote from: RobG on 23 February 2016, 19:12:55
Reply #4 shows you the culprit. Other replies guide you to remove
http://www.omegaowners.com/forum/index.php?topic=115555.0
Cheers, so sufficient room if I just remove cubbyhole insert?
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TheBoy

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Re: Big red light
« Reply #9 on: 12 March 2016, 17:11:06 »
What a tedious arse to get to handbrake switch.

What an even more tedious arse getting it back in.

Right, so with both brake fluid sensor unplugged and handbrake switch unplugged, light should not be on?

If I measure between the connector where wire clips on to handbrake switch and 0v, I get between 47 and 69 ohms. Does seem to vary, its either 47 or 69, no middle ground.

If I remove instruments, this goes open circuit.  To me that would imply faulty instrument panel?


Fortunately, Mr Gixer turned up with a spare (albeit faulty, but different fault) instrument panel. Initially seemed OK (as did mine briefly), but after a short drive, same fault :(

Connector looks OK as far as I can tell.


I'm desperately running low on ideas now :(
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TheBoy

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Re: Big red light
« Reply #10 on: 13 March 2016, 09:47:23 »
Anyone know how to remove the pin from the plug for the instrument panel...   ...or do I have to cut the loom to diagnose further?
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Andy H

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Re: Big red light
« Reply #11 on: 13 March 2016, 09:59:30 »
Quote from: TheBoy on 12 March 2016, 17:11:06
What a tedious arse to get to handbrake switch.

What an even more tedious arse getting it back in.

Right, so with both brake fluid sensor unplugged and handbrake switch unplugged, light should not be on?

If I measure between the connector where wire clips on to handbrake switch and 0v, I get between 47 and 69 ohms. Does seem to vary, its either 47 or 69, no middle ground.

If I remove instruments, this goes open circuit.  To me that would imply faulty instrument panel?


Fortunately, Mr Gixer turned up with a spare (albeit faulty, but different fault) instrument panel. Initially seemed OK (as did mine briefly), but after a short drive, same fault :(

Connector looks OK as far as I can tell.


I'm desperately running low on ideas now :(
I didn't think the brake warning circuit was anything more fancy than two switches (fed with 12v) connected to a lamp in the dash :-\

What is the resistance of the lamp in the dash? guessing about 50 ohms...........
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TheBoy

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Re: Big red light
« Reply #12 on: 13 March 2016, 10:12:00 »
Ignoring the instrument ECU being able to control the light (hence it comes on when starting car), the diagrams imply that 0v is applied when either switch closes.

Thus, I would expect to get an open circuit reading across the switches...  ...although now wondering if not removing battery might have confuddled the meter
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YZ250

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Re: Big red light
« Reply #13 on: 13 March 2016, 10:13:51 »
Quote from: TheBoy on 13 March 2016, 09:47:23
Anyone know how to remove the pin from the plug for the instrument panel...   ...or do I have to cut the loom to diagnose further?

Is it the type where you can use a pin/straightened paper clip to depress the pin tang to allow removal of the pin from the rear of the block?  :-\

They do a proper pin removal kit for such times as this but I've usually got away with more primitive methods.   :y
Or, you could look on YouTube to see how it's done............. errr no, forget that one.  ;D
« Last Edit: 13 March 2016, 10:23:52 by YZ250 »
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TheBoy

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Re: Big red light
« Reply #14 on: 13 March 2016, 11:01:24 »
Quote from: YZ250 on 13 March 2016, 10:13:51
Is it the type where you can use a pin/straightened paper clip to depress the pin tang to allow removal of the pin from the rear of the block?  :-\
I'm sure it probably is, but can't see the tab, made worse by the fact the loom to it is as tight as a nuns....
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