Jump to content
Escort Cabriolet Club

Mk5a immobiliser help?


cvh
 Share

Recommended Posts

Hi all, 

Cvh Mk5a si cab won't start.  Hasn't moved for a couple of years but looking at the weather about time it was! 

Turn the key and the relays click but no ignition lights, no fuel pump prime and no starter engaging. 

I know there's a Ford fitted immobiliser but nothing else.  Tried locking and unlocking a few time's and nothing. Tried leaving the key in the ignition for 5 mins and nothing.  New battery fitted.  All fuses checked twice. 

All wiring in the engine bay looks good (not fractured or snapped) 

Dash light (next to clock) is on when I lock up and goes out when I open it.  All other electrics seem to work on ignition, head lights, blower, windows. 

So at a loss and the cars not worth paying an expert to look at it. 

Good news is I can take my battery back. 

Any ideas folks would be really appreciated. 

 

Link to comment
Share on other sites

Have you double-checked that all the earth cables are connected as there is one which usually falls down the back of the battery tray.

Link to comment
Share on other sites

Yep double checked the earths.

Made a bit of progress, now have ignition lights and the starter motor is engaging but no spark. 

Going to up plug all connections I can find and try a bit of wd40 and cross my fingers again.

No spark could still be imobiliser as I cant remember how the thing works.

I will post updates if when I find the problem!

Cheers

 

Link to comment
Share on other sites

  • 2 weeks later...

Convinced myself it's an earth issue as sometimes it'll turn over then other times nothing.  Sometimes the ignition lights and nothing and sometimes just nothing at all!

In addition the electric windows are working without the ignition.

On my mk3 and 4's the fuel pumps prime but can't ever remember the mk5 doing this.  I know the relays are different from the 3/4 to the 5 and I know the pumps is no longer under the tank so convinced myself that it doesn't have an audible prime.

Can't see any obvious rusty or in-attached earths so back to head scratching.

Had the fuse box out and can't see any burned tracks or dry joints but that could be down to my eyesight!!!!

All relays have been swapped.

And I seem to have aged 2 years in 2 weeks.

I will update when I do eventually figure it out.

 

Link to comment
Share on other sites

  • 2 weeks later...

Thanks for the advice, those fuse boxes are a pain in the backside but hoping it was something else. (Bangs head off wall).

Due to the summer disappearing fast I've moved back to my mk3.  I will post again when I get the 5a sorted.

Cheers.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share

×
×
  • Create New...