erratic power loss
12-16-2018, 01:54 PM
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Model: Cherokee (XJ)
erratic power loss
2003 jeep grand cherokee laredo with 4.0l str 6. Never had this before the battery dies two weeks ago. Tested and replaced battey. anow we have these erratic power losses. Replaced TPS. No effect. Found main braided ground strap from firewall to engine was corroded to dust. Replaced with mechanical lugs and dual #6 copper thhn wire. All was fine for a week. Jeep seems to lose electrical power for a split second. Might be once, might be three or four times in rapid succession.
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