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A. You fit the tester between the spark plug and HT lead, then run the engine. Regular flashing of the tester indicates a good HT supply.
A. Yes, the set allows both single and multiple cylinder testing simultaneously.
A. The set contains 4 pieces.
A. Yes, the VS5261 is not suitable for engines with deeply recessed spark plugs.
A. Regular flashing indicates a good HT supply to that cylinder.
A. Yes, the TA131 is an alternative product that performs a similar diagnostic function.
A. Yes - WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility, and we'll help you choose the right product.
A. Next-day delivery is available on most products and will appear as an option at checkout where eligible.
A. Every product comes with a different guarantee and warranty. Warranty details are shown in the product's tech specs or datasheet where available.
A. We accept all major credit and debit cards, along with PayPal.
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