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Old 05-06-2019, 12:48 AM   #1
New Member
Join Date: May 2019
Posts: 5
Crazy problem, can someone move to Mechanical plz sorry nub

2000 Thomas38 T444E

Headlights, only brights or both Hi and Low also Randomly shutting off/flickering only headlights.
No power, when Climbing especially lol 25mph thats it.
High engine temps 220-240
Lots of stattic over CB
Dimable led lights flickering when turned up past half.
Im sure other things also.
On the side of the highway in the dark with flashing headlights I found a relay with 4 yellow wires leading to it (pulling 1 at a time) that made my lights work properly when removed. when i pulled onto the highway I thought I was driving a race car!! wtf did this power come from. reached up to the dimmer and viola full power. Whatever this relay dose I dont care lol because it ill never be reinstalled.Not with thomas board area
located with international relays inside.
ps engine temp never rose above 222 scangauge

barred951 is offline   Reply With Quote
Old 05-24-2019, 08:32 AM   #2
Join Date: Mar 2019
Location: Manitoba Canada
Posts: 143
Year: 1998
Coachwork: Tomas
Engine: 7.3l
Rated Cap: 72
Check your grounds
Frogpondfoug is offline   Reply With Quote

headlights, loss of power, under load

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