Availability
Use Painless Performance remote master disconnect kits to easily disconnect your battery with a simple toggle switch. Each kit uses a small toggle switch to activate a 250 amp continuous duty solenoid instead of a big dirty battery mounted switch.
( 46 )
$96.99
Painless Performance battery cables are made from 133-strand pure copper cable and feature lightweight, abrasion-resistant insulation capable of handling over 250 amps. The cables are available in different lengths—and come assembled with heavy-duty terminals already installed. Each kit also includes high-amp crimp ring terminals and two side post adapters.
( 46 )
$78.99
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$100.99
Painless Performance Duraspark II distributor wiring harnesses are designed to convert an old Ford points-type ignition into a modern Duraspark II electronic ignition. They feature pre-terminated wire ends with installed Weather Pack connectors for a quick and easy fit.
( 24 )
$87.99
Painless Performance alternator wiring kits are specifically designed for vehicles that demand serious power and are a must if you're upgrading your alternator. They are designed to handle more power from the start to ensure you can keep that hotrod or heavy duty truck on the road where it should be. Don't risk upgrading your alternator without upgrading your wiring, get your Painless Performance alternator wiring kits.
( 47 )
$54.99
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$79.99
Installing these Painless Wiring headlight switches is a simple way to add something reliable to your dashboard. The switches are made with the same quality that has made Painless famous. They come available in three styles to suit your needs.
( 42 )
$55.99
Painless Performance CirKit Boss Auxiliary Fuse Block/7-Circuit kits are the safe way to add electrical accessories to any vehicle—and are the first circuit isolator system available with both constant and ignition hot circuits. Instead of tapping into an existing wire or spare circuit at the fuse, these CirKit Boss kits are add-on, relay-activated fuse blocks, activated by a small wire from any ignition source. They protect bulbs, accessories, and computers from the harmful spikes that may occur in a poorly connected power supply. The kits include an in-line circuit breaker, relay, relay/fuse block base with pre-terminated harness and mounting hardware and terminals. Best of all, these CirKit Boss Auxiliary kits are designed to protect your OEM warranty—and are super easy to install! Additional information for CirKit Boss kits: * All CirKit Boss units are made using TXL cross link polyurethane wire rated to 275 degrees at 600 V * Safely adds ignition hot and constant hot circuits * Circuits are individually fused * All wires are machine-terminated for reliability * Fuse style ATO/ATC
( 38 )
$89.99
Painless Performance air conditioning harnesses are designed to replace your factory A/C harnesses. They include all the necessary connectors and wiring for a complete installation on your vehicle. Reconnect your factory air conditioning with help from Painless harnesses.
( 5 )
$103.99
Painless Performance CirKit Boss Auxiliary Fuse Block/3-Circuit kits are the safe way to add electrical accessories to any vehicle—and are the first circuit isolator system available with both constant and ignition hot circuits. Instead of tapping into an existing wire or spare circuit at the fuse, the CirKit Boss kits are add-on, relay-activated fuse blocks, activated by a small wire from any ignition source. They protect bulbs, accessories, and computers from the harmful spikes that may occur in a poorly connected power supply. The Painless CirKit Boss Auxiliary Fuse Block/3-Circuit kits include an in-line circuit breaker, relay, relay/fuse block base with pre-terminated harness and mounting hardware and terminals. They protect your OEM warranty—and are very easy to install! Additional information for CirKit Boss kits: * All CirKit Boss units are made using TXL cross link polyurethane wire rated to 275 degrees at 600 V * Safely adds ignition hot and constant hot circuits * Circuits are individually fused * All wires are machine-terminated for reliability * Fuse style ATO/ATC
( 4 )
$72.99
The safe way to add electrical accessories is with Painless Performance Cirkit Boss kits, the first circuit isolators that provide both constant and ignition hot circuits. Instead of tapping into an existing wire or spare circuit at the fuse block, Cirkit Boss kits are add-on, relay-activated fuse blocks, activated by a small wire from any ignition source. Cirkit Boss kits protect bulbs, accessories, and computers from the harmful spikes that may occur in a poorly connected power supply. All Cirkit Boss units are made using TXL cross link polyurethane wire rated to 275 degrees F at 600V, and they include a 30 amp inline circuit breaker, a relay, mounting hardware, and an assortment of terminals. Circuits are individually fused for up to 20 amp applications and use a heavy duty 30 amp relay. All wires are machine-terminated for reliability.
( 34 )
$94.99
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$107.99
Painless Performance socket pigtail kits easily can be paired with one of their direct-fit square body harnesses (sold separately) to wire the exterior lighting on your single round headlight 1973-87 GM pickup truck. The kits include all of the pigtails, terminals, and connectors.
( 3 )
$65.99
Painless Performance adjustable electric fan thermostat kits allow you to control the temperature that activates your engine's cooling fan. A bulb at the end of the capillary tube is designed to attach to the top or hottest portion of the radiator. The adjustment knob may be used to set the desired temperature for your electric fan to begin operating; the thermostat has a temperature range of -32 to 248 degrees F. These universal kits are available in various styles and with different components. Order the model that best suits your needs.
( 39 )
$55.99
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$91.99
Painless Performance headlight pigtail socket kits are quality replacement packages that include all the terminals and connectors you need to wire the exterior lighting on your 1980-87 square headlight GM pickup. They're available in applications to fit either the single or dual square headlights. GM pickup headlight socket kits can be paired up with a Painless Performance direct-fit square body harness (sold separately) to facilitate an easy installation.
( 1 )
$65.99
Painless Performance waterproof electric fan relay kits are designed as inexpensive protection for your electric fans. These kits provide constant voltage, protection from voltage and amperage spikes, and keep fan(s) from feeding back through the system. Painless fan relay kits are a necessity if you're adding an on/off switch to your electric fan circuit.
( 13 )
$61.99
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$83.99
Painless Wiring relays and relay kits enable you to make simple updates or replacements in your vehicle. From lights to fans to starters, Painless has a relay for you. Easy to install in most vehicles, these kits include all necessary wiring and connectors. Order the amp rating and terminal options needed for your application.
( 33 )
$76.99
Painless Performance universal gauge harnesses include GM color-coded wire, quick connects for easy gauge removal, and all of the hardware required to wire your gauges. They also include connectors for the following: Voltmeter, temperature gauge, oil pressure gauge, tachometer, fuel level, and illumination lights. They work with VDO, Auto Meter, Stewart Warner, and most other brands of gauges.
( 25 )
$94.99
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$95.99
The safe way to add electrical accessories to any vehicle is with Painless Performance CirKit Boss Auxiliary Fuse Block/7-Circuit kits. They are the first circuit isolator system available with both constant and ignition hot circuits. Instead of tapping into an existing wire or spare circuit at the fuse, the CirKit Boss kits are add-on, relay-activated fuse blocks, activated by a small wire from any ignition source. They protect bulbs, accessories, and computers from the harmful spikes that may occur in a poorly connected power supply. Kits include an in-line circuit breaker, relay, relay/fuse block base with pre-terminated harness and mounting hardware and terminals. These Painless Performance CirKit Boss kits will protect your OEM warranty—and they are easier to install than you think! Additional information for CirKit Boss kits: * All CirKit Boss units are made using TXL cross link polyurethane wire rated to 275 degrees at 600 V * Safely adds ignition hot and constant hot circuits * Circuits are individually fused * All wires are machine-terminated for reliability * Fuse style ATO/ATC
( 12 )
$105.99
These Painless Performance rollover safety switches are designed to shut off the power to the electric fuel pump in the event of a vehicle rollover. They are made for use in most oval track or road race vehicles, but can be used in any racing application to help prevent a fire. Keep yourself and your vehicle protected with one of these Painless Performance rollover safety switches.
( 4 )
$59.99
Painless Performance Jeep CJ Duraspark II ignition wiring harnesses are designed to easily convert the old points-style components in your electronic ignition systems to a modern Duraspark II system. A wiring harness is, first and foremost, engineering; Painless engineering assures you that your headlights shine, the blinkers blink, and the engine starts. These harnesses allow for the factory location of your module and coil, and are recommended if you are also replacing the chassis harness. You'll find a harness compatible with Jeep CJ models as far back as the mid-1960s.
( 7 )
$99.99
Putting air in your hot rod? Painless Performance A/C activated cooling fan relays will automatically kick on your cooling fan when you're A/C comes on. Your cooling fan will activate when the engine reaches the preset temperature of the thermostatic switch or when you're A/C is turned on. Installation is easy and…well, painless! Painless Performance protects your electric fan.
( 13 )
$56.99
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$58.99
Painless Performance temperature sending units are designed to allow your electric fan to turn on and off at a desired temperature. These switches are recommended for all electric fan installations and are available in several different temperature ranges. These Painless Performance temperature sending units are sure to keep your engine cool and running at the temperature range of your choice.
( 87 )
$54.99
These FAN-THOM II electric fan relay kits come with a threaded thermostat that screws into the engine block or intake manifold for a clean and professional look. These kits provide protection for your electric fans and wire harnesses. They supply constant voltage, protect against voltage and amperage spikes, and prevent the fan from back-feeding voltage through your vehicle's wire harnesses. These kits include: * SPST 40 amp relay * 30 amp circuit breaker * Thermostatic switch * Relay base with harness * Crimp-on terminals * Mounting hardware
( 77 )
$51.99
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$76.99
Master disconnect switches from Painless Performance allow you to easily disconnect your battery with a flip of the switch. They're available with or without a mounting panel.
( 14 )
$60.99
Painless Performance remote starter solenoids allow you to position the starter solenoid anywhere you need to on the vehicle in order to clear accessories, heat sources, etc. Best of all, they include all of the extra wire and connectors needed to do the job right the first time.
( 6 )
$64.99
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$104.99
Painless Performance hazard switch kits allow the addition of a hazard switch to vehicles that originally did not have this feature. Additionally, these kits will also allow those with a factory installed hazard to retain that feature if a working factory switch can no longer be found. The hazard switch will simultaneously flash the front turn signal indicators and the brake lights when the switch is in the "on" position. The kits include all necessary wiring, fuse protection, flasher, toggle boot, and parts necessary for installation.
Not Yet Reviewed
$57.99
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