Amp draw need help
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Senior Member
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From: New Orleans
Amp draw need help
I am going to go with a dual electric fan setup. When both fans are on, it would draw ~20A. I found out my stereo amp only draws about 3, and when it really hits, it might hit 7, but only for like half a second, and this is with the radio and sub frequency turned up much louder than I would ever listen to it at. My question is, will the alternator be able to handle this 20A draw. I know some people run the crown vic fans, and that they pull alot of power. I rarely use my A/C, but on occasion I am forced to. Also I have the towing package, so do I have a 95A alternator, or the 130. I think that the trucks with the towing package am wit the larger. Thanks for the help!!
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Senior Member
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From: New Orleans
How much of a "dummy" gauge is the stock charging one. When I have nothing on except the radio, it is on the "M" in NORMAL, when I turn the headlights on, it goes to the "R" ( radio still is on), When I turn the A/C on full blast radio on, and headlights, it goes to the "O". Is this even close to being accurate, or is it just doing whatever it wants?
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Joined: Jan 2002
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From: Maine
I don't know which alternator you have.
NORMAL;
My guess is that "M" is 14volts, which is normal. That is where mine is usually. My truck runs crappy(if at all) if it even gets close to "O"
You will need an inductive amp clamp to measure the draw, We use an ARBST Tester at work. It loads the charging system in cycles and measures the alternator's max output, diodes, and voltage. I've tested my truck but can't remember what it was. I do a few Saturns every week and they come out to around 90amps.
I e-mailed you reguarding the videos
I can send others, but the bike one is too big. 12k
NORMAL;
My guess is that "M" is 14volts, which is normal. That is where mine is usually. My truck runs crappy(if at all) if it even gets close to "O"
You will need an inductive amp clamp to measure the draw, We use an ARBST Tester at work. It loads the charging system in cycles and measures the alternator's max output, diodes, and voltage. I've tested my truck but can't remember what it was. I do a few Saturns every week and they come out to around 90amps.
I e-mailed you reguarding the videos
I can send others, but the bike one is too big. 12k
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Senior Member
Joined: Jan 2002
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From: New Orleans
Thanks for the vids. BTW, a gut on fordtruckworld that works at a local dealership, said he would test my amp for free. I am going to meet him on Saturday. We had a bunch of F-150s from the Louisiana chapter meet by the lake last weekend, and we had a great time! I wish everyone in this pre 97 section could meet one day, it would be cool to have alot of older trucks together, and we could really pick on anothers brains LOL
