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Author Topic: Cruise control on my Vectra does not work  (Read 2790 times)

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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #45 on: 09 July 2019, 11:19:03 »

Terry, the car has given you a code for the clutch switch. Replace it with a new one from Vauxhall and report back.
Apologies for shouting, but it really isn't difficult.  ;)
Yes, Doc, The e-bay switch looks genuine, but best to be sure. They should both arrive tomorrow.
I hope replacing it really isn't difficult.
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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #46 on: 09 July 2019, 11:30:46 »

I wonder where on e-bay I can get a box of Vectra miniature fuses with a fuse rmoval tool.
Why ebay?  I most definitely would not buy a fuse from egay, or an unbranded one.

They are a bog standard mini blade type. Every single factor in the whole world will stock them.  FFS, tell me what values you need, and I'll post you some.
Thanks for the jolt, TB. Looked in the boot of my donor Astra, and there found fuse extractor tool and lots of fuses.
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STEMO

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Re: Cruise control on my Vectra does not work
« Reply #47 on: 09 July 2019, 11:34:17 »

I have never had to change a fuse in any car that I have owned. I don't know where the fuse box is in my astra, I've never felt the need to look.  ;D
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Eboy.com

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Re: Cruise control on my Vectra does not work
« Reply #48 on: 09 July 2019, 12:03:01 »

Terry, the car has given you a code for the clutch switch. Replace it with a new one from Vauxhall and report back.
Apologies for shouting, but it really isn't difficult.  ;)
No, that is incorrect as well you know. Look at the live data first, and see the (ECU's view of) switch in action. Then measure it with a meter to prove/disprove the switch.

You know not to just do what the code reader says - we have dealers and the thicker garages for that ;)
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Re: Cruise control on my Vectra does not work
« Reply #49 on: 09 July 2019, 12:04:00 »

I have never had to change a fuse in any car that I have owned. I don't know where the fuse box is in my astra, I've never felt the need to look.  ;D
One of our party broke down on the way back from France last month, due to a fuse blowing.
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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #50 on: 09 July 2019, 13:47:44 »

I have never had to change a fuse in any car that I have owned. I don't know where the fuse box is in my astra, I've never felt the need to look.  ;D
One of our party broke down on the way back from France last month, due to a fuse blowing.
My sister broke down in her new Meriva and learned the hard way that she had no spare wheel, just an aerosol pot of useless sealant. I prefer to check these things before I break down.
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STEMO

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Re: Cruise control on my Vectra does not work
« Reply #51 on: 09 July 2019, 14:58:38 »

I have a man who turns up if either of us breaks down.
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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #52 on: 10 July 2019, 15:59:55 »

New Vx clutch switch arrived today, and fitted. No change though, cruise still inoperative. Went through 5 engine start stop cycles, no change. The cruise symbol does not appear left of fuel gauge on ign. switch on, and in short test run at 40mph cruise would not engage.

Put it back on diagnoser. Same fault codes. I cancelled them, stopped and restarted, no DTCs present.
With engine running, cruise control tip switch reads inactive, when pressed in it reads I(set) so the switch is working
Clutch switch reads active
With brake pedal depressed Brake switch 1 reads active
                                      Brake switch 2 reads active

Both old and new switches seemed the same - open circuit extended, closed circuit compressed.

I wonder if the ECU requires many restarts before it regards cruise as operative.

My thanks to DG for wisdom and advice. Haynes was little help.
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Doctor Gollum

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Re: Cruise control on my Vectra does not work
« Reply #53 on: 10 July 2019, 17:50:29 »

At least you can rule out the switches if you can see them working ;)

On the left hand end of the dash, check the following fuses (amps)...

6(7.5)
9(7.5)
10(7.5)
17(15)
26(7.5)

And report back :y

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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #54 on: 10 July 2019, 19:13:17 »

At least you can rule out the switches if you can see them working ;)

On the left hand end of the dash, check the following fuses (amps)...

6(7.5)
9(7.5)
10(7.5)
17(15)
26(7.5)

And report back :y
 
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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #55 on: 10 July 2019, 19:20:59 »

At least you can rule out the switches if you can see them working ;)

On the left hand end of the dash, check the following fuses (amps)...

6(7.5)
9(7.5)
10(7.5)
17(15)
26(7.5)

And report back :y
I checked all the fuses in that box on Sunday, see reply 24. I checked the fuses above tonight, using a continuity meter, all were OK. No.9 had a 30 amp fuse.
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Re: Cruise control on my Vectra does not work
« Reply #56 on: 10 July 2019, 19:24:47 »

It should be a 7.5 amp. Change it and report back  :y
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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #57 on: 10 July 2019, 20:17:44 »

It should be a 7.5 amp. Change it and report back  :y
Changed fuse 9 to a 7.5 amp fuse. Ran the engine, drove the car up and down the drive. Checked the fuse; it had not blown.

I observed on Sunday that the spare fuses and fuse removal tool that should have been in the cover were absent. Now we find a fuse of the wrong rating in slot 9, protecting the central control unit.
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Re: Cruise control on my Vectra does not work
« Reply #58 on: 10 July 2019, 20:52:27 »

Cruise control doesn't have its own fuse, but is controlled by several modules, including the central control unit and the steering column control unit (fuse 10).

Are all the tail and brake lights working correctly?

Bulb order top to bottom:

Indicator
Stop/tail
Tail
Fog (driver's side only)
Reverse.

The car will automatically use another tail light if a brake light fails which might knock out the cruise control.
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terry paget

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Re: Cruise control on my Vectra does not work
« Reply #59 on: 10 July 2019, 21:08:59 »

Cruise control doesn't have its own fuse, but is controlled by several modules, including the central control unit and the steering column control unit (fuse 10).

Are all the tail and brake lights working correctly?

Bulb order top to bottom:

Indicator
Stop/tail
Tail
Fog (driver's side only)
Reverse.

The car will automatically use another tail light if a brake light fails which might knock out the cruise control.
All working normally.
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