Fleetwood Bounder – AC Capacitor & Fan Motor Service

Most Fleetwood Bounder owners miss the early warning signs of a dying AC capacitor until the compressor won’t turn over at all. By then, you’re looking at a $600+ rebuild instead of a $40 part swap. I’ve pulled units off dozens of these rigs where the run capacitor was clearly failing for months — the AC cycling erratically, the fan motor straining like it’s pushing through mud, the whole roof unit getting hotter than it should — and the owner just assumed it needed a recharge or was on its last leg. The reality is simpler and cheaper: catch a weakened capacitor before it cooks the motor, and you’ve got a straightforward forty-five-minute job on the roof with the right part in hand. A Dometic rooftop AC unit’s run capacitor is doing the heavy lifting that gets your compressor spinning and keeps your fan motor running smooth. When it starts to fail, the system tells you — you just have to listen.

The Dometic Run Capacitor That Stops the Compressor Dead

A weakening or dead run capacitor on a Dometic rooftop AC won’t blow up the compressor overnight—it’ll just make the motor work harder with each cycle until something gives. This single component is what stands between a quick $40 fix and a $600 compressor rebuild, and it’s the first thing I test whenever a Bounder’s AC starts cycling oddly or blows warm air even though the compressor is spinning.

Parts and Tools

• Replacement dual run capacitor matched to the microfarad and voltage rating on the old one (60/5 MFD for Dometic 3312195.000 units) — check current price
• Multimeter capable of measuring AC voltage and resistance
• Insulated screwdriver set (Phillips and flathead)
• Wire strippers and crimpers for reconnecting spade terminals
• Replacement spade terminal connectors if originals are corroded or damaged
• Roof ladder or safe access method to reach the rooftop AC unit

Step-by-Step Instructions

Step 1: Kill power to the AC unit at the breaker

Locate your Bounder’s main electrical panel inside and flip the breaker labeled for the rooftop AC to the OFF position. Wait two minutes, then use your multimeter to confirm 0V at the AC unit’s power terminals on the roof. This prevents shock and protects the compressor from a live circuit while you work. Take a photo of the breaker panel with the AC breaker clearly OFF before climbing onto the roof.

Step 2: Access the capacitor and document the wiring

Climb safely onto the roof and locate the Dometic unit. Remove the top cover or access panel—usually four to six Phillips screws. Inside, the run capacitor is a cylindrical component roughly two inches tall, mounted vertically near the compressor motor. Before touching anything, photograph the spade terminal connections on the capacitor so you know which wire goes where. Note the color and position of each wire.

Step 3: Test the capacitor to confirm failure

Set your multimeter to the capacitance setting if available, or use the resistance setting. A good capacitor will show a brief resistance spike then climb toward infinity. A dead capacitor reads zero or stays at a fixed low resistance. If the reading is unclear, the capacitor is likely weak enough to replace. This test confirms the problem before you disconnect anything.

Step 4: Discharge the capacitor safely and remove it

Use an insulated screwdriver to short the two terminals together briefly—this discharges any residual voltage. Wait five seconds, then use your screwdriver to gently pry the spade terminals off the capacitor posts. Keep the wires separated so they don’t touch. Unscrew the mounting bracket or clip holding the capacitor in place and lift it out. Handle it by the body, not the terminals.

Step 5: Install the new capacitor and reconnect terminals

Position the new capacitor in the same orientation and secure it with the mounting bracket. Slide the spade terminals back onto the posts—match your photo to get them in the right order. Push firmly until they click or seat fully. If terminals are loose or corroded, crimp new ones onto the wires first. Double-check that no wires are touching the compressor or other metal parts.

Step 6: Restore power and test the AC cycle

Climb down and flip the AC breaker back to ON. Return to the roof and listen for the compressor to start smoothly within a few seconds. The fan should spin freely without strain, and the unit should settle into a steady hum. Let it run for five minutes and feel the condenser coil—it should be warm but not scorching hot. If the compressor fires instantly and the current draw is steady, the job is done.

Step 7: Verify normal operation from inside the rig

Go inside and set the thermostat to cool. The AC should cycle on smoothly and blow cold air within two to three minutes. Listen for any clicking, grinding, or unusual noises. Check that the temperature drops steadily and the system doesn’t short-cycle (turning on and off rapidly). Run it for fifteen minutes to confirm stable operation before closing up the roof panel.

What works

• Matches 3312195.000 units without any guesswork—correct microfarad and voltage spec means the compressor fires instantly and settles into a steady current draw with zero thermal recycling.
• Thicker internal construction than the OEM original, which means actual longevity; expect 8–10 years of real-world use instead of watching it fail again after half a decade.
• Amperage drops noticeably after installation—the roof AC runs at a lower skin temperature, the fan motor pulls less current, and the unit stops sounding like it’s fighting against itself.

What doesn’t

• Stock availability through third-party retailers swings wildly; I’ve seen this part take a week to arrive when the label said two days, which is a problem if you’re stranded without AC in July heat.
• The 60/5 MFD spec is right for Dometic, but cheap “fits all” capacitors online will either fail to start the compressor or burst within hours of running if you grab the wrong rating by mistake.

I once installed what I thought was the right capacitor on a 2008 Bounder and the compressor wouldn’t even hum—I had grabbed a 50 MFD off the truck by mistake and had to pull it right back out. Fits for Dometic 3312195.000 Air Conditioner RV AC Motor Capacitor 60/5 MFD, Heavy Duty Air Conditioner Capacitor Replacement, Compatible with Dometic 3312195000 RV Air Conditioner Models

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