L.E.D. cluster light problems
Thread Starter
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Tuned
Joined: Jul 2014
Posts: 270
Likes: 3
From: Texas
L.E.D. cluster light problems
Okay so I ordered a new cluster with a built in tach but like an idiot i ordered one with gauges instead of dummy lights like what I have so that didnt work. I figured since i already had it out i would pop some led lights in the old one. I got blue 194 led lights and put them in and finally got everything back together but when i cranked it up only half the lights lit up, the left turn signal didnt blink but still worked outside, and my charge light was on but i think it was still charging. Do yall think the lights are just just loose or is it possible to put them in the wrong place?
Also what style lights go in the wiper and light switch area along with the a/c control area?
Thanks, John
Also what style lights go in the wiper and light switch area along with the a/c control area?
Thanks, John
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
It is very possible to get LED's in backward such that they won't light. Take them out and put them back 1/2 turn off of where they are.
I don't know what the wiper/headlight bulb is, but when you pull the instrument bezel you can take it off to see.
I don't know what the wiper/headlight bulb is, but when you pull the instrument bezel you can take it off to see.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Don't all these trucks run a ~500 ohm resistor across the socket or flex circuit so the truck still charges if the bulb burns out?
If not, just go to RadioShack and buy a sleeve of resistors.
If not, just go to RadioShack and buy a sleeve of resistors.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
The Tach cluster in my '87 has a resistor.
I don't have the EVTM for earlier trucks.
It should be simple (and cheap) to solder a resistor across the traces or the lampholder itself.
It will not affect operation, and then all the "bulbs" would appear the same.
I don't have the EVTM for earlier trucks.
It should be simple (and cheap) to solder a resistor across the traces or the lampholder itself.
It will not affect operation, and then all the "bulbs" would appear the same.
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Then why would he need to run a bulb in order to excite the alternator into charging???
Seems that I am the one who is missing the point.
Could you clear it up for me?
Seems that I am the one who is missing the point.
Could you clear it up for me?
Thread Starter
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Tuned
Joined: Jul 2014
Posts: 270
Likes: 3
From: Texas
Im pretty sure the truck is still charging because i took it about 5 miles to town with light on. Killed it and went in and got a pizza and it cranked right up. No signs of a weak battery just the light shining.
Thanks, John
Thanks, John
Moderator
Joined: Jan 2001
Posts: 56,966
Likes: 2,728
From: Virginia
That's it I think. He said the LED was on all the time, even though it is charging. I think with the LED, the charging circuit is using the resistor, it thinks the LED is not even there it's so small a load, even though the LED is burning.