This page lists one electrical connector part for the 1963 Checker Marathon: a Washer Pump Connector from WAI GLOBAL, matched to both the 3.7L 226cid L6 and the 5.2L 318cid V8.
On the 1963 Checker Marathon, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
The 1963 Checker Marathon was sold with both the 3.7L 226cid L6 and the 5.2L 318cid V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The part number opens a page with every vehicle that part fits.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAI GLOBAL Fits: 3.7L 226cid L6 | 399002 | 🇺🇸 US | AccessoryUniversal Switch for Washer Pump System | View on Amazon |
This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: WAI GLOBAL 399002.
Buying Electrical Connector Parts for a 1963 Checker Marathon
On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.
- Match the engine first. Every electrical connector part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Washer Pump Connector .
Frequently Asked Questions
How many electrical connector parts fit the 1963 Checker Marathon?
This page lists one electrical connector part for the 1963 Checker Marathon: a Washer Pump Connector from WAI GLOBAL, covering both the 3.7L 226cid L6 and the 5.2L 318cid V8.
Do electrical connector parts differ between 1963 Checker Marathon engines?
Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical connector problems on a 1963 Checker Marathon?
Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1963 Checker Marathon was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1963 Checker Marathon?
First match the engine — each row shows which engine(s) the part fits. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1963 Checker Marathon
Electrical Connector Parts for Other Checker Marathon Years
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