Earth Cable?

1. user_23964 Regular Poster Joined: May 2008 South Wales Posts: 477 Cherry Red 106 Gti

   #1 15th April 2010, 10:14

   I have this blue cable running from the battery to the engine block I assume it some sort of earth, but I want to get rid of it is it necessary? Its obviously not standard so would it be worth checking if standard earths are still there? Would it be stupid to just take it off and see what happens?
   
   
2. Ashcollings02 Regular Poster Joined: May 2009 Posts: 425 2001 Furio with Mk2 Vtr lump 2001 Vts

   #2 15th April 2010, 14:14

   remove it see hwat happens if everything runs fine ur sorted best thing to really try it mate
3. grumpypants Regular Poster Joined: Jun 2009 Llantwit Major, Vale of Glamorgan Posts: 429 Vauxhall Corsa 1.0

   #3 15th April 2010, 14:25

   You will definetly require the lead to be connected from the battery. It looks as though someone has just earthed the battery to the engine. The correct way is for the earth from the battery to be connected to the vehicles body, usually to the right of the battery or on the battery holding tray.
4. BenMc Regular Poster Joined: Jan 2010 Posts: 325 Citroen saxo vtr MK2

   #4 15th April 2010, 14:28

   basically there will always be the negative side of the battery connected to the engine body giving an earth point if the standard one has been removed keep this on or put a new one in where the standard should be, check this first. if you dont and your engine gets a connection from a live basically when you touch it you the route to earth and car batteries have a big current think there round about 40A and thats a canny belt so basically find out if the standard one is connected.
5. grumpypants Regular Poster Joined: Jun 2009 Llantwit Major, Vale of Glamorgan Posts: 429 Vauxhall Corsa 1.0

   #5 15th April 2010, 14:42

   That's a good point, especially if the earth has been connected as per pictures and the actual earth from the vehicles body to engine happens to fail.
6. user_23964 Regular Poster Joined: May 2008 South Wales Posts: 477 Cherry Red 106 Gti

   #6 16th April 2010, 09:13

   Thanks guys I had a look and one of the black cables coming off the negative is connected the body behind the battery. Is that enough to take the blue one off? should I look for anything else?
7. jaytay Frequent Poster Joined: Feb 2010 birmingham Posts: 858 saxo vtr 2000 black modified

   #7 16th April 2010, 09:16

   first time i seen earth form battery to engine,should be on body bud
8. user_23964 Regular Poster Joined: May 2008 South Wales Posts: 477 Cherry Red 106 Gti

   #8 16th April 2010, 11:31

   ye I had never seen it before it came on the car so from what I can see the standard one is still there? so it should be fine to take it off?
9. jaytay Frequent Poster Joined: Feb 2010 birmingham Posts: 858 saxo vtr 2000 black modified

   #9 16th April 2010, 11:35

   presume so as long as battery earthed to body mate
10. Stevo123 Established Member Joined: Apr 2009 Redcar Posts: 1971 2000 Posi Blue vtr

    #10 16th April 2010, 12:02

    Engine needs to be earthed as well and it is via a connection from body to gearbox, about 6" under the green airfilter location aproximately.
    
    Just re route the wire to gearbox so it's out of the way and looks better imo.
11. user_23964 Regular Poster Joined: May 2008 South Wales Posts: 477 Cherry Red 106 Gti

    #11 16th April 2010, 12:12

    ye i just read in haynes manual there was a gearbox earth too, il have a look see if the standard one is still there for that too and if it is il just take the blue cable off
12. user_23964 Regular Poster Joined: May 2008 South Wales Posts: 477 Cherry Red 106 Gti

    #12 16th April 2010, 14:47

    checked the standards are both still there so I took it off and no problems so far!