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teveZ11-26-2004, 10:55 AMI have been having problems with my 5 !150 !or abo"t 5 months now an# the problemwas that it wo"l# start then I $o"l# #rive to somewhere, sh"t it o!! an# then get ba$% in a$o"ple o! min"tes later an# it wo"l#n&t start so I wo"l# have to wait a $o"ple o! ho"rs or

even a #ay an# then it wo"l# start' (verybo#y in$l"#ing the a"toparts store sai# it wasthe I)M so I repla$e# it'*y the way be!ore I repla$e# it the tr"$% +"it starting perio#' Itt"rns over b"t #oesn&t start now' I have also repla$e# the $oil an# still nothing' I #i#noti$e to#ay that the i$m I "st bo"ght an# p"t on only has 2 pins on one o! the$onne$tors $ompare# to slots on the en# that is on the tr"$%' I too% my ol# part to thestore an# !orgot it there so I $an&t $ompare the two' *"t the $olor .bl"e/ o! the spe$i!i$pie$e on the i$m #i# mat$h the one I too% o"t' hey sai# that was the main thing' o #oesanybo#y %now i! I nee# to have pins on the one si#e or #o I "st have another problemaltogether' than%s !or rea#ing my babble

art pino"t sho"l# mat$h e3a$tly' o" have wires into the mo#"le

he $ommon problem with this vintage is heat an# its long-term e!!e$t on the ignition$oil an# mo#"le' he Ignition $oil an# I are relatively ine3pensive, "s"ally $ome withat least a 12-month warranty, b"t either one !ails slowly' low !ail"re means enginebe$omes har# to start on hot #ays esp' he +"its while moving spora#i$ally' hen +"itsaltogether an# re!"ses to start even tho"gh it t"rns over strong an# yo" $an hear the !"elp"mp engage' 7therwise 889 o! the time it r"ns "st !ine'

I! yo" have the I-I -not the I)M - ;I)M; wo"l# be mo"nte# in the !en#er, an# yo"ryear mo#el typi$ally #i# not have one' or#rename# the I to I)M an# move# it to the!en#er mo"nt later' o"r year mo#el wo"l# normally have the I-I mo"nte# on the

#istrib"tor, !a$ing yo" stan#ing !rom the !ront' 186 or a!ter may have the !en#er mo"ntI)M, an# an a##e# heat sin% .some pattern here/

here is a goo# reason they move# it - the I mo#"les !ail in high heat $on#itions' I! theI mo#"le gets too hot, it stops wor%ing, the tr"$% will stall an# then start only a!tersitting !or awhile - ho"rs or even a #ay - no $onsistent pattern'

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Also $he$%: gro"n#ing wire, negative terminal battery wire, all $onne$tions, $ontrib"tingproblems are la$% o! +"alitygro"n#ing, $orro#e# an# o3i#i>e# wires lea#ing to theharnesss, an# a resistor "pstream o! the $oil' "el is not "s"ally the problem here'

IM@7 the -150 4-6 #i# not ma%e the transition well to mo#ern ele$troni$s !or engine

$ontrol, it $hange# every single mo#el year "ntil -, or# seeme# to be trying vario"sapproa$hes to get it right, an# problems #on&t show "p "ntil the wiring an# ignition$omponents are very ol#, then the gremlins start showing "p' Boo%ing "n#er the hoo#yo" typi$ally see some portion o! the ignition $ir$"it has been repla$e# by now, in$l"#e#seeing partial repla$ement o! wires in the harness, new $oil an# I mo#"les, et$' Cos"rprise here, the ignition system is the wea% lin% in 5-6 !or high !ail"re rates as theyhit high mileage an#=or age' I hit the same %in# o! problems with an &4 non-(I *ronoII' *y 186 they sorte# o"t o! host o! problems !rom the year-one #esign'

he goo# news is the parts are relatively $heap, i! yo" #o the labor, it&s not o"trageo"slye3pensive' :/

he @aynes )ons"mer Man"al is very goo# in this area, pi$% one "p when yo" go ba$%to get yo"r part'teveZ11-26-2004, 10:58 AMorry - !orgot to a## o!ten the reason both o! these $omponents !ail is poor $on#ition o!the wiring "pstream, in$l"#ing possible ba# $onne$tors an# or intermittent short-$ir$"iting o! wires with an$ient ins"lation, o3i#e# en#s, et$'woo#en12-21-2004, 0:56 AMorry - !orgot to a## o!ten the reason both o! these $omponents !ail is poor $on#ition o!the wiring "pstream, in$l"#ing possible ba# $onne$tors an# or intermittent short-$ir$"iting o! wires with an$ient ins"lation, o3i#e# en#s, et$'

@i teve = others - I! yo" have a se$on#

I have similar problem with 18 (150 van.whi$h I bo"ght new D-/ he mo#"le islo$ate# on !en#er well o! this vehi$le' I have the intermit' start problem when hot' 7n!irst pass at resolving the problem I noti$e that the pl"g $onne$tors on both the mo#"lean# the in#"$tive pi$%"p have almost not strength le!t, the plasti$ is all $r"mbly'ort"nately most o! the #amage is on the !emale pl"gs whi$h are the ones that areatta$he# to the $omponents an# not to the harness - I! I ha# to repla$e the $onne$tors onthe harness si#e, any i#ea where I might !in# s"itable parts :-.

In yo"r e3perien$e is the in#"$tive pi$%"p in the #istrib"tor something that is worthrepla$ing eems li%e this item has a pretty simple ob so other than the $onne$tor iss"esmight not $ommonly $a"se any problems

@ACE,Fim

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woo#en12-21-2004, 12:08 MI #i# noti$e to#ay that the i$m I "st bo"ght an# p"t on only has 2 pins on one o! the$onne$tors $ompare# to slots on the en# that is on the tr"$%'

Interestingly, my (150 van has same layo"t' he original or# !a$tory M7GHB( hasonly two pins on one o! the $onne$tors .the other is a 4-to-4 mat$h "p/, while the !a$tory@A?C( has three pin so$%ets in the mating $onne$tor'''' I %now that at least in my$ase it $ame !rom the !a$tory that way D-/

Fimervin12-21-2004, 12:42 MF"st !or giggles, )he$% to ma%e s"re that the rotor a$t"ally t"rns when yo" $ran% theengine over, I tho"ght I ha# yo"r problem only to !in# that the gear on the #istrib"torsha!t ha# sheare# not allowing the rotor to t"rn'

ervinwoo#en12-21-2004, 01:4 Mervin:7"$h''' that&s a wier# one ''' In my $ase rotor is t"rning , it is intermit' problem onlyo$$"rs on warmer #ays a!ter #riving an#par%ing!or a while'

Advance Auto has new control module from GP Sorenson for $22so I&m going toslap one in an# see i! li!e gets better ''' I hope

@ACEFimnomanli%ethetowman12-25-2004, 06:50 Mrom my e3perien$es, the bl"e $onne$tor e$", only has 2 pins, re# J white wire, theother sho"l# be 4 wires, orange, bl"e, p"rple an# green I! it $ame with a bl"e one, thenp"t a bl"e one ba$% in' see other post s, $he$% to see i! yo" $an grab on to yo"r rotor an#t"rn it'woo#en12-26-2004, 0:8 AMMy rotor still appears !irmly engage# with the rest o! the engine - whi$h I li%e D-/

in$e a new ()M was only K20 I have repla$e# it, mine was the original an# a!ter 26years the plasti$ on the $onne$tors was t"rning to $r"mbly $r"# anyway''''

Cow we have a $ol# spell an# I g"ess I&ll have to wait an# see i! problem re-o$$"rs' Ihave p"t a $an o! ;!ree>e-spray; in the van so that i! it #oes happen again I $an start$ooling things o!! "n#er the hoo# .in#"$tive pi$%"p an# ''''/ an# see i! I $an i#enti!y theproblem' I remember hearing that the ;high powere#; ignitions too% a toll on the $oil,

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mine still rea#s goo# with the ohm meter .proper primary J se$on#ary resistan$e an# noshort to gro"n#/ b"t I won#er i! any ;#amage; to the $oil wo"l# show "p in the resistan$erea#ings

han%s all !or the help!"l hints

Fim