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Discussion Starter · #1 ·
Hi guys I have a 1997 1.9td T4. I went to wickes yesterday and got a few things came back to the van and the engine failed to start. I was trying, but was almost like the battery was dead. We jumped started it and it started fine, but the dash started flashing, then my speedometer died completely, and it seemed everything was struggling to power up properly. When i got home i left the engine on a while and then when i turned it off and tried to start it up again.... nothing. Not even a glimmer. Today i tried starting it again and it was trying again.. but failed. (as you can tell i dont know much about the engine, but any help would be appreciated!)

Could it be battery or the alternator? Im pretty sure my mechanic said the alternator was fine. Any ways to know for sure?

To Add:

The Immobiliser has been disconnected.. well before i got it, so that could eliminate that.

I've noticed a few electrical problems i have been having recently like the oil warning light flashing and buzzing when i go over a certain rev (normally when im at 50mph) Which is annoying. My mechanic says its nothing, and is going to fit a new pressure switch (i think) but have just had water pump replaced.

From what i have been reading i am pretty sure this could all be down to the wiring, like i said any help would be much appreciated! I dont have a lot of money to fix it so finding the solution without changing every part would be great!
 

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Just a sergestion but if you can find the earth lead from the battery to the chasis unbolt it and rub the ends with sand paper to get a better conection then try starting it again, I had electrical isues with my bike and this improved it for me
 

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Just a sergestion but if you can find the earth lead from the battery to the chasis unbolt it and rub the ends with sand paper to get a better conection then try starting it again, I had electrical isues with my bike and this improved it for me
I would also suggest checking your earths to your engine and chassis before shelling out on a new battery or alternator T:
 

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Discussion Starter · #7 ·
Nah no luck :( I think im going to jump start it again tonight and let it run a while. Also going to double check the blue and red wire going into the alternator. You guys know where i can replace that cable or if i can make a fix for it? Cheers :)
 

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I'm having similar problems with mine mate however it's still running.
When you turn the lights on the revs start to drop. The oil pressure light flickers on and off then starts flashing slowly.
Have you got any idea what the two wires to the alternator do as mine look like they need swapping.

Have you tried charging the battery itself. If the alternator is knacked it won't put any charge back into the battery.
 

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Discussion Starter · #9 ·
I'm having similar problems with mine mate however it's still running.
When you turn the lights on the revs start to drop. The oil pressure light flickers on and off then starts flashing slowly.
Have you got any idea what the two wires to the alternator do as mine look like they need swapping.

Have you tried charging the battery itself. If the alternator is knacked it won't put any charge back into the battery.
Yeh this is what me and my housemate fear it maybe... apparently an alternator is cheaper then a battery.. well according to him. I will see how it goes, waiting for him to get back so i can steal his power haha.
 

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Yeh this is what me and my housemate fear it maybe... apparently an alternator is cheaper then a battery.. well according to him. I will see how it goes, waiting for him to get back so i can steal his power haha.
Can you get a voltmeter across the battery with the engine running, it should be reading at least 13.5 volts up to 14.2 if the alternator is working.
 

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Discussion Starter · #12 ·
Hey guys started up the van with the jumper cables no prob. Leaving it to run for 15/20 mins. As the battery was so low i found the lights etc.. didnt work too well, but we checked the reading anyways and it was giving off around 10v but steady rising. Any gonna check it after 15 and see what it reads. Wish me luck
 

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My gut feeling is that this is an earth or terminal problem.

I would clean the lot up.

Then see what voltage the battery is showing (having charged it first)

Then check the output voltage of the altenator.

Rhys
 

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charge battery overnight as chuff says.

if you think it aint starting due to a bad earth simple way to check is get ya jump lead and put on negative on battery and other end onto a good clean metal part of your engine. if its start ok with this on then you have a bad earth.

get a multimeter.

measure your battery voltage, once charged should be 12.6v or above

now start your engine and give the throttle a blip then allow to idle, check voltage across battery now should be 13.5v-14ish volts

now turn your headlamps on, heated rear window on and ya heater blowers on check voltage again with the revs about 2000 rpm you should still be seeing atleast 13.5v

report ya findings here:D
 

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I had an issue where I ran the van over 70mph and the battery light would come on. Gradually got worse until I was driving everywhere with it on. Turned out to be the Rectifier on the back of the alternator. £22 A: from the local Aletrnator specialist (needed it in a rush) or £8 from vwheritage.

I found the solution on youtube. Some kind person made a film of the change over.

The symptoms where the alternator would only kick out 6 v (as one of the bushes wasnt making a contact and rectifiing only half the AC voltage) which led to a drain on my battery. Only became really apparent when I drove to Plymouth from London in the dark and the lights where getting fainter as the journey progressed.

Check it out before you replace the alternator as its cheaper than a battery and aletrnator and can be changed by just dropping the belly pan.

regards

Dave
 

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Discussion Starter · #20 ·
Right update time, Measured the volts from the alternator and getting 8v. Is that good or bad? The battery is at a solid 14v after cleaning the earths, which is good :) Going to take the battery down the road to a free battery check and see what they say. Unfortunately don't have a charger, so charging it overnight wasn't happening :/ I will let you know what they say.

Irrelevant to all this i fixed the blinking oil light. Re-wired the red/black and blue wire with electrical connectors, but cant be 100% just yet. :D

Cheers for all the help guys! Much appreciated!
 
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