The Jeep AW4 transmission override is the newest in Montana Auto and Fabrication's line of electrical modifications for vehicles. Anyone who has ever taken a Cherokee off road knows that the automatic transmission can shift between first and second at inappropriate times. The MAF transmission override frees up the computer's control of first and second gear in the AW4 automatic transmission found in Jeep Cherokees from 1988 to 2001 as well as the 1993 Grand Cherokee. The engineers at Aisin Warner decided that Jeep owners did not need manual control over the first two gears in their transmission. They designed the transmission to have a "1-2" slot in the shifter to control both first and second gear with the computer. Therefore, the driver does not have any control over when the transmission shifts to second or first. For example, the transmission does not allow engine braking in first gear because the computer refuses to shift into first. Additionally, the computer shifts into second after about 4500 rpm, a detrimental effect in sand and snow. A user mod has been out for quite some time to free up these gears. However, with the integration of the OBD2 system in 1997, the check engine light will trip when this mod is used. The MAF transmission override is designed to be compatible with OBD2 systems and not trip the light. This override will work with 97 and newer cherokees. The override consists of a high quality rotary switch with three positions, D, 2, and 1. In the "D" position, the override has no effect and the transmission shifts normally. In the "2" position the transmission is forced into second gear. In this position the Jeep will provide engine braking in second as well as start in second if needed. Finally, in the "1" position, the transmission is forced into first gear. In this setting the transmission will provide engine braking in first. Each position has a lighted indicator for visibility in the dark. The rotary switch also provides a solid feel between positions for quick shifts without looking at the dial. The kit also includes a high quality stainless steel mounting plate, all the necessary hardware and full instructions - View Product Documentation  

The Montana Auto and Fabrication Downstream Oxygen Sensor Simulator provides the necessary signals to the vehicle's onboard computer to simulate a missing stock downstream oxygen sensor. With the simulator in place the computer no longer activates the check engine light, informing the driver of a malfunctioning catalytic converter. The MAF sensor simulator was designed for continued off-road use. The simulator is built from rugged mil spec components which ensure a long lifetime and increased reliability. Its small design allows it to be placed in tight areas away from hot or moving parts. Its metal construction and epoxy coating provide increased durability and a tight waterproof seal. Finally, the simulator was designed for use with the wide temperature range found in automotive applications. The simulator is designed to operate in temperatures as low as -55° C (-67° F) and as high as 150° C (302° F). The Downstream Oxygen Sensor Simulator is designed to work with almost all vehicles. It is compatible with all two wire and three wire systems as well as most four wire systems. The simulator is designed to work only for the downstream oxygen sensor. Installation on the upstream sensor will result in poor engine performance. Full instructions come with the device. Additional help is available by calling or emailing MAF. Finally, the simulator is for OFFROAD USE ONLY. Use on-road and to pass emissions testing is illegal. MAF is dedicated to providing quality products and stands behind them. If for any reason you are not satisfied with the Downstream Oxygen Sensor Simulator it can be returned for a full refund minus shipping within thirty (30) days of purchase. Thank you for considering the MAF Downstream Oxygen Sensor Simulator - View Product Documentation

This is it! The O2 sensor simulator that so many of you have asked for has been finished. We have now developed a simulator that is compatible with all vehicles including OBD 1 and OBD2 vehicles. To ensure compatibility with newer vehicles, the new simulator adds the extra feature of simulating the presence of the heater inside the oxygen sensor along with the simulation of the sensor itself. Using this simulator, the check engine light will not trip do to a custom exhaust, or a missing catalytic converter. The simulator uses a precision voltage reference to simulate the sensor's output signal. This method allows the simulator to deliver the correct signals regardless of the varying input voltage from the battery and harsh temperature changes outside. In addition to the sensor signal, the simulator recreates the unique startup and continuous operation of the heater. This operation is called the positive temperature coefficient of the heater, a feature that other simulators lack. For non-engineers, this means that as the heater warms up, the resistance of the heater gets larger, therefore consuming less current. This is a feature that cannot be accomplished using a simple resistive heater simulator. The O2 simulator has many additional features that ensure a long life and trouble free operation. The simulator is compatible with all analog and pwm signals, it has a separate small signal grou nd for the sensor return (a feature found in the factory sensor), and is made with ultra small surface mount components to reduce its size. Since the simulator is simulating a heater it has to heat up. The case is made of an aluminum heat sink enclosure to keep the components cool, allowing a high temperature range and ensuring a longer lifetime. Convenient mounting tabs are built into the case allowing mounting near the exhaust. Made with over 40 transistors and 30 resistors the MAF O2 sensor simulator is not a simple resistor mod. The MAF sensor sim ulator is designed for continued off-road use. The simulator is built from rugged military spec components which ensure increased reliability and durability. We have designed the simulator to withstand continued use in demanding environments. An all aluminum construction resists corrosion and heat as well as providing a durable outer shell. Only the highest quality components were used allowing the simulator to be mounted next to the exhaust and not melt. The simulator is 100% waterproof and has a temperature range of -50°C to 100° (-58°F to 212°F). The simulator is designed to work only for the downstream oxygen sensor. Installation on the upstream sensor will result in poor engine performance. FULL instructions are included and additional help is available by e-mailing MAF. The simulator is for OFFROAD USE ONLY. Use on road and to pass emissions testing is illegal. MAF is dedicated to providing quality products and stands behind them. This is 100% made in the USA using the best components. Every simulator is tested for function and quality. If for some reason you are not satisfied with the downstream oxygen sensor simulator it can be returned for a full refund minus shipping within 30 days of purchase. Thank you for considering the MAF Downstream oxygen sensor simulator. The simulator comes with self tapping screws, wire splices, and directions. It measures 2.1" x 1.6" x 1"  -- View Product Documentation

Just put an aftermarket bumper on, and now you don't have front blinkers? Or just trying to clean up the front of your custom vehicle? You need the blinker/parking light adapter. This adapter allows you to turn your parking light or blinker into a dual purpose light with just a few electrical connections! I have seen these adapters being used in many applications including but not limited to classic cars, off-road vehicles/buggies, daily drivers. They use only existing connections for a no Hassle installation. These are designed to run one light or 2 amps and are sold in pairs. All adapters are water proof and mill spec - View Product Documentation

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WORKS WITH SINGLE FILLMENT AND LED BULBS -- ALLOWS FOR ONE LIGHT TO ACT AS YOUR PARKING AND BLINKER LIGHT -- SIMPLE TO INSTALL WITH EASY TO READ DIRECTIONS