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Old 11-18-2005, 02:18 AM
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Join Date: Nov 2005
Posts: 1
Question 89 420sel electric-seat relay, where ?

Hello everyone ! can any body tell me where can I find the electric-seat adjustment relay to my 89 420sel electric seat, it work intermittently for last couple of months and now its totally not working at all. I have check all fuses in the box. and it all look good, unfortunately, no diagram for all the relay in the fuse box ?

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Old 11-18-2005, 08:12 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
In the fuse box there are several silver "cube" relays. UNDER each relay there is a LETTER, find the letter "H". That will be the seat power relay!

MARK that relay & look for another with the same part number & try switching them foe a QUICK test!
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Old 03-26-2006, 11:41 AM
forgetaboutit's Avatar
owner of a 1988 420sel
Join Date: Mar 2006
Location: cleveland ohio
Posts: 32
Unhappy 420sel fuse location ?

My horn and windsheild wipers are not working, also the telescope steering button does nothing either , I found a fuse box under the hood they all seem to be ok, what fuse am i looking for ? is it one of the cubilar ones or the small thin ones? is there another location inside the car that has fuses also >> Help love the car just bought it and new at this thanks !!

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