Check the charging system for overcharging then have the battery checked for a short. these are the usual reasons for a battery to get hot.
SOURCE: I need fuse box diagram
Goto this website wiring-diagram.com They have full color factory wiring diagrams.
It does cost a few bucks. Not to bad though.
SOURCE: 1998 cadillac seville sts
The problem is with your $85.00 leveling sensor-- its another $150.00 labor.
SOURCE: 1998 cadillac seville STS
on my 1998 Deville its located in the trunk. the panel thats is butted up to the back of the rear seat. look for some black nuts around the top of rim of the trunk, they are about 1'' long, these have to be removed first... good luck.....
Mac.........
SOURCE: i have 1998 cadillac seville w/northstar motor
The most common overheating problem with the Northstar engine is a blocked purge line. It's job is to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.The hose goes in to the engine to a crossover and comes out the other side to near the thermostat housing,the blockage may be there.
SOURCE: Cars battery drains every night. local car repair
One by one, disconnect the fuses until you see no change on a volt/ohm meter connected to the battery with the engine not running.
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