Outlet question
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More Turbo
Joined: Feb 2011
Posts: 719
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Outlet question
In my 2011 SD, I have the AC outlet on the back of the console, and it appears to be rated at 120 v/40 watts. I attempted to use a small Craftsman air compressor off of it this weekend and the compressor didn't sound full power, and kept shutting off.
I am assuming the outlet wasn't fully capable of the load. What is the load rating on it? The compressor is 120 v, 3.3 amps (no wattage rating on it). It is a Craftsman 28-75117 if that helps determine what is going on.
Also, what size would work off that outlet for problems on the road again?
Thanks, boys.
I am assuming the outlet wasn't fully capable of the load. What is the load rating on it? The compressor is 120 v, 3.3 amps (no wattage rating on it). It is a Craftsman 28-75117 if that helps determine what is going on.
Also, what size would work off that outlet for problems on the road again?
Thanks, boys.
More Turbo
Joined: Jul 2010
Posts: 535
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From: California High Desert
At 120V and 3.3A you were drawing 396 watts from the inverter. (Watts = Amps x Volts) Sounds like you'll need a inverter than can handle that load or a high quality 12V compressor. I've had my 12V compressor (one that is capable of actually airing up truck tires without taking all day) blow the fuses on my 12V outlets. I was considering removing the outlet and installing clips so I can hook it up to the battery directly.
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More Turbo
Joined: Feb 2011
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Thanks.
Looking around online, there are a lot of portable inverters that can handle the load, some up to as much as 3000 watts. Why would Ford put such a low wattage unit in a vehicle like that? Better question is can it be upgraded, or should I just get one of the portable units?
Looking around online, there are a lot of portable inverters that can handle the load, some up to as much as 3000 watts. Why would Ford put such a low wattage unit in a vehicle like that? Better question is can it be upgraded, or should I just get one of the portable units?
More Turbo
Joined: Jul 2010
Posts: 535
Likes: 13
From: California High Desert
40 Watts seems very low though. My laptop takes at least 90 watts. I think about the only thing it would be capable of running would be things such as shavers and cell phone chargers. The built in inverter on my wife's T&C is capable of 150 watts, still won't run a compressor, but at least it can handle a good size laptop and other various items. Sounds like Ford dropped the ball on that feature.
Fleet Mechanic
Joined: Nov 2003
Posts: 1,372
Likes: 14
From: West Cornwall, CT
Volts x Amps = Watts. That 120 V x 3 Amp compressor would draw 360 watts.
A 40 Watt connection would not handle that load. It is a tribute to the amount of overdesign in that circuit that the compressor ran at all.
Lou Braun
A 40 Watt connection would not handle that load. It is a tribute to the amount of overdesign in that circuit that the compressor ran at all.
Lou Braun
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