Wirthco
WirthCo Battery Doctor 20503 Illuminated Toggle Switch, Two-Position On/Off, 20 Amp at 12 Volt, 1/2 Inch Mounting Hole, Includes Nut and Back-Up Collar (20503)
WirthCo Battery Doctor 20503 Illuminated Toggle Switch, Two-Position On/Off, 20 Amp at 12 Volt, 1/2 Inch Mounting Hole, Includes Nut and Back-Up Collar (20503)
SKU:W4820503
In stock
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- Free shipping on $70+
- Ships from US warehouse
- 30-day returns
The Wirthco 20503 is a battery doctor illuminated toggle switch.
Key features
- Illuminated On/Off Control: Two-position toggle switch lights up in the on position so you can confirm circuit status at a glance in dim cabs, dashboards, and accessory panels.
- Rated For 12 Volt Circuits: Handles up to 20 amps at 12 volts, suitable for powering accessories and add-on electrical loads wired into a 12 volt system.
- Half Inch Mounting Hole: Designed to install in a standard 1/2 inch panel hole for a clean, secure fit in dashboards, switch panels, and custom enclosures.
- Mounting Hardware Included: Ships with a nut and back-up collar so the switch can be tightened down and held square against the panel during installation.
- Two-Position Toggle Action: Simple on/off lever provides positive tactile feedback, making it easy to operate by feel without taking your eyes off the road or work area.
Before you order
- Check the group size, terminal layout and cold-cranking amps against your current battery.
- Compare the connector and the part number on your old part before ordering.
Specifications
| Brand | Wirthco |
|---|---|
| Manufacturer part number | 20503 |
| Part type | Toggle Switch |
| UPC / GTIN | 10054205030 |
| Weight | 0.04 lb |
| Dimensions (L × W × H) | 1.2 × 4.8 × 1.9 in |
| Category | Electronics & Audio |
| Condition | New |
| Returns | 30-day returns on unused items |
Questions
What does shipping cost?
Standard shipping is free on orders of $70 or more to the lower 48 states and DC, and $8 below that. Express is $15 at checkout. Orders ship the same business day when placed early in the day, otherwise the next business day; standard delivery takes 3–5 business days. Alaska and Hawaii are charged by weight at checkout.
Can I return it?
Yes — unused items in the original packaging can be returned within 30 days of delivery. A restocking fee may apply; see our refund policy.
Shipping & delivery
Shipping & delivery
Free standard shipping on orders of $70 or more to the lower 48 states and DC; $8 on smaller orders. Express is $15 at checkout; Alaska and Hawaii are charged by weight. Orders ship from the warehouse closest to you — the same business day, or the next business day if ordered late in the day, on a weekend or holiday. Standard delivery takes 3–5 business days. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Items marked Final sale can't be returned. If a part fails, contact us with your order number and we'll help with the manufacturer's warranty claim.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
