1999 Pontiac Grand Prix electrical system problems

47 owner complaints filed with NHTSA name the electrical system on the 1999 Pontiac Grand Prix — 11% of all complaints for this model year.

Electrical System complaints

11%

share of all complaints

107,000 mi

median reported incident mileage

1 / 25

crash / fire reports

What owners report

“Tl* the contact owns a 1999 pontiac grand prix. The contact stated that the key had become loosely connected from the ignition and fell out of the ignition several times. In addition, the vehicle stalled several times without warning. The contact noticed the failure after the dealer replaced a…”
filed Mar 1, 2017
“The cars headlights will randomly shut off or only high beams will work, the 3800 motor has many issues with parts malfunctioning over and over no matter what manufacturer that's used to supply the parts oem or aftermarket, I've replaced many maf, tps, iac, cps sensors over the brief amount of time…”
filed Jan 11, 2017

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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