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I have a 1985 Toyota MR2. I installed some LED headlamps awhile ago and bought a subharness from Amazon to convert the plugs from the original 3 pins halogin bulbs to the 3 pin LED.
After driving it around I started noticing that the headlights have been flicking on and off and, in some cases, turning off completely. The subharness came with two relays as part of the wiring and when I shake them the lights flicker.
I installed some other relays and the same thing happened. I know it’s not the wiring as it happens when I tap the relays.
Can you recommend some shockproof and waterproof automotive 12V relays that can withstand the vibration and bumps inevitable while driving? Would solid state ones do this?
The kit contains a 4 pin and 5 pin relay - standard pins 30, 87, 87a, 86 and 85.
I do however, need to mention that physically tapping on a relay in the horizontal axis could easily get the contact to disengage as it would create significant g-forces. That might not be a great test.
