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www.matthewsvolvosite.com/forums/viewtopic.php?p=166169 Jan 8, 2011 - 14 posts - 1 author
I replaced my blower motor and resistor - with the help and ... On ECC the transistor power stage (referred to as resistor) will shut off blower if the ... the current to blower(voltage level to blower) is controlled by the ECC control unit. ... Hook the negative side of the car battery (or other 12 V source) to the fan.
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? 3:03 www.youtube.com/watch?v=frZl49p2quk Sep 5, 2007 - Uploaded by volvoproject
All how to replace blower motor in volvo s70 v70 c70 XC70 ....Awesome video....took 15 mins to install blower motor andresistor on my .... Most time was spent trying to remove theelectrical wires from around the blower properly (there ... I was suprised how much bigger the fan is irl than it looked in this vid!
You don't mention the make or model of the vehicle but as a rule your alternator is not charging the battery and with that problems will occur such as a flat battery and dim lights until the vehicle will not start.
If the alternator light is on there is a problem in the charging system. Have a local Autozone or O'reilly auto parts test it when the light is on, do not have the test run unless the light is on. I think you have a defective alternator but the meeting should confirm this.
your charging system is your alternator if your belt is still on and you can make it to an autozone they do free checks there it is most likley your alternator on that volvo if you pop your hood and give us more detail i should be able to tell you more good luck
On my wifes volvo there was a chargeing fuse. You might want to check 4 that. I know I kicked myself for days after replaceing a $200.00 alternator instead of a $2.00 fuse.
Not an expert on this, but I would change the oil and oil filter and you might want to check all belts/hoses under the hood for cracking and replace as necessary. It's likely you'll have to do that after a car sitting idle so long. Don't know if spark plugs should be replaced after not firing for that long, but maybe you want to take a look at those as well.
need to have alternator output checked. sounds like the voltage regulator is going out. this is inside alternator.if it starts charging this high it can blow your bulbs and damage computers
Down the side of the Engine where the Alternator is there should be a few wires.
1 goes to the oil pressure sensor
Another few wires go to the Alternator there are 2 circuits one is for charging which is a little thicker which is bolted under a nut & a few smaller wires which do 2 things.There is a low current circuit that applies 12v to one side of the battery lamp on the dash & when the enging is running this 12v is on the lamp & the 12v from the battery is on the other side so the lamp is out .
If the alternater isn't turning 0 volts is coming from the alternator & the Battery lamp is on.
These smaller diameter wires are important for the monitoring & charging the battery.
If you can't get the battery lamp & other monitoring lamps on the dash to illuminate when turning the key around to run not start your going to have battery charging problems.
I suggest you check the black plastic insulation carring these wires in them may be cracked or broken.
I own a few 240 series volvo's & I think I have had just about every electrical problem possible.
you have a power drain somewher.
unplug your battery " positive " , wait a few seconds.
put the connector back to the battery and see if it sparks, if it does there is something shorted out and draining your power. probably your alternator was good.
if there is no sparks thencould be your voltage regulator or your battery.
let me kniow
When you place key into the ignition and turn to "on" position, do you see your alt. light come on? If not, this is the cause of the charging problem. The current has to flow through this light and back to battery to complete the circuit.
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