I bought a red wedge base LED light bulb to put behind the cluster to make it appear red instead of dull green but it doesnt work. the stock light bulbs work but the LED wont, I bought the light from superbrightleds.com and i bought a twist socket also and it didnt fix the problem.

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1987 standard cab 4x4 with a fresh coat of paint, new deck, two 6x9 speaks behind the seat, a 10" kicker sub behind the the seat and 2 4" kicker speakers in the dash