Service manual

INSTRUMENTATION SERVICE MANUAL NUMBER 26
Page 4D-10 90-861329--1 MARCH 1999
Senders
Oil Pressure
TESTING
IMPORTANT: Use following test procedure for checking accuracy of oil pressure
sender only. If oil pressure gauge indicates zero oil pressure, refer to SECTION 4C
“Troubleshooting.”
1. Remove wire from sender terminal.
2. Connect ohmmeter between sender terminal and sender case. Check ohms reading
without engine running (zero pressure), then check reading with engine running. Com-
pare oil pressure and ohms readings as shown in following chart:
72754
b
a
c
d
a-Positive Lead
b-Negative Lead
c-Wire Removed
d-Oil Pressure Sender
Ohms Reading
Oil Pressure (psi)
Single Dual
0 227-257 113.5-128.5
20 142-162.5 71-81.3
40 91.7-113.6 45.9-56.8
80 9-49 11-24.5
DUAL STATION SENDER IDENTIFICATION
Sender will have 3353-AM stamped on hex of sender.
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