[s-cars] Ac question

[LL - NY]

Actually, jumpering the relay is how I got my 4000q home.  Wasn't the most
comfortable feeling, since the safety cutoff was effectively disabled.

On Tue, Aug 9, 2011 at 10:47 AM, Joshua Van Tol <josh at spiny.com> wrote:

> A good way to check the operation of the circuit is to make a jumper wire
> to connect the load terminals of the relay. Be SURE you've got the right
> terminals, or you might damage whatever drives the relay. Having such a
> jumper wire handy (in the glove box) can be very handy to get you out of a
> failed fuel pump relay situation.
>
> You can also remove the relay and apply 12v to the coil terminals and check
> that it pulls in, and that the resistance between the contacts is
> approximately 0 ohms.
>
>
>
> On Tue, Aug 9, 2011 at 8:13 AM, LL - NY <larrycleung at gmail.com> wrote:
>
>> I would check the relay itself.  Possibly open it up, get a good cleaner
>> to
>> clean the contacts, see if anything is gummed up. I had a fool pump relay
>> intermittently fail on my 4000q which I couldn't figure out (it was my
>> pre-list days).  Eventually I did have to replace the relay, but cleaning
>> helped for a (short) period. Perhaps the same issue is occuring with the
>> secondary fan relay, but since it's operation is even more periodic than a
>> fool pump, it becames even harder to diagnose.
>>
>>
>