Electrical issues with blinkers and reverse lights

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Kyle90z71

Newbie
Joined
Aug 25, 2019
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Location
San Antonio, Texas
Been troubleshooting this issue for days now on my 90 k1500 and cant figure this issue out. With the key on (not running), i try the left blinker and get the middle bulb on the rear light to blink but its super dim and blinking at a normal pace. The passenger side blinks super fast but no lights at all in the back. Already replace the circuit boards on both rear light and brand new bulbs. Also when i put the truck in reverse the middle and top bulbs come on in the back and not the reverse light.
 
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