Motorhome Satellite Dome Installation

Written by amy rodriguez
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Motorhome Satellite Dome Installation
Satellite dome installation requires careful placement on the rooftop. (Jupiterimages/ Images)

As technology progresses, outfitting a motorhome with satellite television becomes more affordable than in previous years. However, the mobility of a motorhome requires specific placement and attachment of a satellite dome assembly. An open roof space near the motorhome's front must be cleared for a clear satellite reception line of sight before any installation procedures begin. The physical satellite dome requires a spacing diameter of about 28 inches.

Skill level:

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Things you need

  • Measuring tape
  • Drill and drill bit
  • Supplied wiring harness
  • Tie-wraps
  • Adhesive
  • Rooftop compatible sealant
  • Satellite receiver

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    Installation Procedure

  1. 1

    Place the satellite dome in the centre of the cleared roof space. Use a tape measure to verify that the dome's feet are equally spaced from both sides of the roof's edges.

  2. 2

    Attach the dome to the roof with fasteners, such as T anchors or lag screws. The fasteners should connect through the dome's feet into the roof. Gently pull the dome upward to confirm a solid connection.

  3. 3

    Attach the wiring harness to the dome and route the wires to the roof's edge. Attach the wiring to the roof with tie-wraps and adhesive every 12 to 18 inches.

  4. 4

    Drill a hole into the roof and the inside satellite receiver's cabinet. Route the wires through the hole and connect to the receiver. Use a rooftop compatible sealant for plugging the wiring hole to prevent water infiltration to the motorhome's interior.

  5. 5

    If installing an optional secondary satellite receiver, route the auxiliary rooftop wiring separately from the main wiring. Direct the wires near the second receiver. Drill another hole through the roof for the wiring to enter the secondary receiver. Fill the wire opening with sealant.

  6. 6

    Connect the dome's wiring to a 12-volt power source and ground, such as a car battery. Verify that the satellite signal is functional by switching channels on the satellite receiver.

Tips and warnings

  • Remove all shipping bolts from the dome's bottom before installation. Place the supplied plugs into the exposed bolt holes for protection from the elements.
  • Verify that all of the dome's cable connections face toward the back of the motorhome.
  • Do not route the wiring harness at extreme angles on the motorhome's roof. Gentle routing curves prevent wire pinching and damage, which can affect the incoming satellite signal.
  • Do not overtighten the wiring connections into the satellite dome or remove the protective rubber sheaths. Any damage to the connections will cause poor reception.

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