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Genuine 2003 Mazda Protege Relay Boxes

Relay Block
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1 Relay Boxes found

  • 2003 Mazda Protege Relay Boxes - B25D-66-760D
    Diagram for 2003 Mazda Protege Relay Boxes - B25D-66-760D
    View related parts
    Product Specifications
    • Other Name: Block, Main Fuse
    • Replaces: B25D-66-760C
    • Item Weight: 2.80 Pounds
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: B25D-66-760D
    • Warranty: This genuine part is guaranteed by Mazda's factory warranty.
    More Info
    Fits the following 2003 Mazda Protege Submodels:
    • DX, ES, LX, Mazdaspeed, MP3 | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS

2003 Mazda Protege Relay Boxes Parts and Q&A

  • Q: What role do Relay Boxes play in the operation of electrical accessories, and how can they be tested for defects on 2003 Mazda Protege?
    A: Vehicles have electrical accessories that involve relays to pass the signal, this is to control high current circuits using low current. Bad relays are an impediment to the functioning of the components, and they are common in engine compartments and fuse boxes. Testing entails continuity, and resistance checks; faulty relays have to be changed so that they can work accordingly.

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