I have a 1989 260E. Every now and then, the ABS light comes on and when it does, the car runs rough. It stays on for various lengths of time, then just goes off for no apparent reason and all is well again. Does anyone know the cause of this? Is it a voltage issue?

Bad OVP relay - access panel behind the battery, fuse on top of it. Internally, cold solder joints, a chronic problem.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7

Thanks Steve, much appreciated

What does OVP stand for? Is this some kind of fuse?

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1991 560SEL (254K miles)
1980 Lincoln Mark VI - Givenchy
1979 Lincoln Mark V Collector's Series
1979 Lincoln Town Car Collector's Series
1979 Ford "Effie" Pickup (in gradual transformation to a show/street truck)
1969 Lincoln Mark III (waiting for "Overhaulin" to call)
1989 Lincoln Towncar
2001 Lexus GS300 (spousal unit's daily driver)

Over Voltage Protection

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'86 300E 5 speed
'71 Triumph TR6
'46 Cushman Scooter
'41 Ford 9N tractor