An engine accessory which generates alternating current (AC). The electricity is then fed through diodes which converts it from AC to direct current (DC), which is usable by the automobile in general. The alternator is usually driven by belts which are connected to the crankshaft of the engine which ...

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2answers
11 views

Grind/Crunch Sound Near Alternator (video)

1983 Chevy 405 small block. Hearing a grinding sound near the alternator. Is this a bearing or something grinding near the belt ? Not exactly sure how to diagnose. Video: https://www.youtube.com/...
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1answer
128 views

How to determine exactly what's wrong with my alternator?

My 98 Mazda 626 GF 2L uses an 80 amp fp34 A2TB0191 alternator with an internal voltage regulator. I did a little test where it I turned on the bright lights, AC, radio, rear defogger and opened the ...
5
votes
1answer
36 views

My car Diesel Yaris doesn't start very well after an alternator change?

I have recently changed the alternator after it died in my diesel yaris. I have done about 150 miles with the new alternator however it still doesn't start very well. It now takes 1 long or sometimes ...
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0answers
52 views

VW Transporter T5 - p1503 Generator Terminal DF (Load signal) Signal Improbable

I have a VW Transporter T5 2007 with 2.5 TDi BNZ engine. I have the following fault code (among many): p1503 Generator Terminal DF (Load signal) Signal Improbable. This fault code gets repeated ...
3
votes
0answers
29 views

Is battery bus voltage available via OBD2 scanners for 98 Avalon?

In order to supplement the inadequate-by-design alternator BIT circuits in my 98 Avalon (alternator failures have stranded us; no instrument panel warnings of charging failure), I'd like to either ...
3
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0answers
33 views

Turning on Loads caused an Increase in Alternator Base Voltage

I've been having some strange low voltage problems lately. I was messing around, and decided to turn on as many electrical loads as I could, which meant the radio, high beam headlights, defroster, ...
3
votes
0answers
38 views

Citroen C2 Alternator

Please if someone could help me ill really appreciate it. I've got a Citroen C2 the Bendix of the starter was completely worn so we purchased a new starter and put it in. At first it started. Once ...
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0answers
68 views

Typical voltage drop when air con, radio, lights, etc. in use

Imagine the engine/alternator are running and the battery voltage is 14V. If I now turn on the air conditioner, radio, headlights, seat warmer, cigarette lighter, should I now expect the voltage to ...