I have some dia that might help here is the electrical and relay location, Thanks ROY!
I would check both powers to the relay, also check to see if the dash wire could be grounded some where between the dash and realy keeping thelight on, Thanks ROY!
(I will be off for a while ) ROY!
The relay is located under the glove box pass, side hear is another pic to locate the choke relay check for the powers from the electrical dia. I gave you , thanks ROY!
The choke relay wire colors are ,yellow with a red tracer, white with a blue tracer, and a solid brown wire. this is the only dia, I can find for your truck, for the choke relay for your truck, if it is not there our dia are no good , this is very strange I will try and see if I can find more info so far no luck, sorry ROY!
This is the only dia, I have for your year truck, ok! sorry I could not help you more! Thank you for using JustAnswer" ROY!