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Headlight Relay Harness

‘89Jimmy

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I purchased the headlight relay harness for my 89 Jimmy, but it appears to use different plugs. Also worth noting… I’m planning a grill swap to the earlier 85 to 87 style.

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From other pics you've posted, you have the quad 150mm headlights (the more common configuration for 89-91). That uses 4 smaller 2-pin connectors. If you are going to the earlier front end, that kit you have may work for that.
 
I thought I had included a 3rd photo that supports exactly what you said. Got it this time! Seems the older version is a H4 bulb style connector, which is what the new relay harness is. How hard would it be to convert the truck over? Has anyone here tried that?

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