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Stop guessing and start fixing. Bypass relays on demand to test components directly. Waterproof & dustproof shell engineered to last. Perfect for targeted troubleshooting. Quick diagnostics for fuel pump failures, flickering lights, or motor issues.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.