Jump to content
SAU Community

Recommended Posts

OK so here's my issue...

car's been running pretty bad (especially off boost).. spluttering and not having much power.. also the fuel pump has been noisy, the windows have been slow to move up and down, when idling and i turn on the headlights the revs drop, and the stereo has been making a buzzing noise that changes pitch with the revs..

last time i had that noise it was my old altinator dying.. this time i changed the altinator, but it had no effect.

So i went on to change the battery and hooray! the car worked perfectly for a day or so, but now had started slowly developing the same issues as before.

Now i'm thinking it's bad wiring, but how do i work out where the problem is...?

would i see an improvement if i ran a 2nd earth cable from the battery to the chassis?

Link to comment
https://www.sau.com.au/forums/topic/324339-electrical-issue/
Share on other sites

It couldn't hurt. Maybe check all connections to make sure they are clean and nothing has come off somewhere. Other than that get an auto electrician to have a look at it and they should be able to tell you where the problem is.

I have an earthing kit on mine (came like that from Japan) and it is supposed to help. You could try installing one of those, there is a guy in Perth, Volatile Customs or Audio something or other that makes a kit up (he may install them also).

Volatile Car Audio

Good luck.

Edited by jonn

start with the battery terminals/lugs, the standard ones are pretty shitty and can be pretty lose even when fully tightened.

and before you run new cables check all the earth points and main connections like on your started and alternator, even scratch the paint off where the earth points are. do all this before u do cable upgrades. no point running a new cable to a shitty earth point.

is the alternator new or a recon? just because its been done recently doesnt mean it cant fail.

but going from wat you've said about the new battery fixing the prob for only a day, id start with the terminals

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • just an update to this, poor man pays twice  Tried sanding down the pulleys but it didnt do the trick. Chucked another second hand alternator in the na car which I got for free off my mate and its fixed the squelling. Must have been unlucky with the bearings.    As for my turbo car, I managed to pick up a cwc rb alternator conversion bracket + LS alternator for 250 off marketplace, looked to be in really good nick. Installed it , started the car and its not charging the battery.... ( Im not good with auto elec stuff so im not sure if this was all I needed to do but I verified such by using a multimeter on the battery when the engine was running and I was only getting 12.2v )   I had to modify the earth strap for the new LS alternator , factory earth strap was a 10mm bolt which did not fit the bolt on the LS alternator which was double the size so I cut it off , went to repco bought some ring terminals that fit, crimped it onto the old earth strap and bolted it up to the alternator , started the car and same issue. Ran like shit and was reading 12.2 at the battery.  For a "plug and play" advertised kit thats not very plug and play but alas.  My question is , am I missing something ? Ive been reading that some people recommend upgrading the stock 80 amp alternator fuse to a 140 amp but I dont see how that would stop the alternator charging especially at idle not under load.  Regardless ive pulled it out and am going to get it bench tested by an auto elec tomorrow but it would be handy to know if ive missed something silly or have done something wrong.   
    • My wild guess is that you have popped off an intake pipe....check all of the hoses between the turbo and the throttle for splits or loose clamps.
    • Awesome, thanks for sharing!
    • To provide more specific help, more information is needed. What Android screen? What is its wiring diagram? Does the car's wiring have power at any required BAT and ACC wires, and is the loom's earth good?
    • So, now all you need to do is connect the 2 or 3x 12v feeds into the unit to permanent 12v, ACC 12V and IGN 12V that you can find in the spot behind the stereo, and the earth, and then it will switch on with the car.
×
×
  • Create New...